What's the difference between challenging and facing?

Challenging


Definition:

  • (p. pr. & vb. n.) of Challenge

Example Sentences:

  • (1) Bronchial challenge caused an immediate asthmatic response.
  • (2) When chimeric animals were subjected to a lethal challenge of endotoxin, their response was markedly altered by the transferred lymphoid cells.
  • (3) This frees the student to experience the excitement and challenge of learning and the joy of helping people.
  • (4) The degree of increase in Meth responsiveness elicited by the initial provocation is a major factor in determining the airway response to a subsequent HS challenge.
  • (5) Intranasal challenge of allergic subjects with the allergen to which they are sensitive rapidly produces sneezing, rhinorrhea, and airway obstruction.
  • (6) Matthias Müller, VW’s chief executive, said: “In light of the wide range of challenges we are currently facing, we are satisfied overall with the start we have made to what will undoubtedly be a demanding fiscal year 2016.
  • (7) In 1935, Einstein challenged the prevailing interpretation of quantum theory.
  • (8) A shrinking populace is perhaps a greater challenge than any problems with Russia.
  • (9) Intraperitoneal injection of indomethacin to pretreated animals resulted in increased levels of IL-1 and TNF and decreased levels of PGE2 following challenge with E. coli.
  • (10) Think of Nelson Mandela – there is a determination, an unwillingness to bend in the face of challenges, that earns you respect and makes people look to you for guidance.
  • (11) The children's pulse, pulse rate variability, and blood pressure were then measured at rest and during a challenging situation.
  • (12) At first it looked as though the winger might have shown too much of the ball to the defence, yet he managed to gain a crucial last touch to nudge it past Phil Jones and into the path of Jerome, who slipped Chris Smalling’s attempt at a covering tackle and held off Michael Carrick’s challenge to place a shot past an exposed De Gea.
  • (13) The results support the notion that mediator lymphocytes circulate in tumor immunized rats in a noncytotoxic state, specifically recognize tumor cells at a challenge site, and mediate induction of effector cells locally.
  • (14) The role of blood acetylcholinesterase in moderating the effects of organophosphate challenge in rats was tested.
  • (15) In the first trial to investigate the effect of tick control, significant improvements in liveweight gain (LWG) occurred only in periods of medium to high challenge with adult Amblyomma variegatum.
  • (16) The SNT and the I-ELISA indicated that the pigs responded to vaccination and challenge.
  • (17) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
  • (18) This observation seriously challenges the hypothesis that SCE cancellation results as a consequence of persistence of the lesions induced by these agents.
  • (19) Injection of about four ImD 50 of vaccine intracerebrally produced a local immunity, resulting in an immediate kill of challenge organisms given 14 days later.
  • (20) There was no correlation between anti-TNP-precipitating antibody titer after sensitization and the ability to respond to challenge by hapten-heterologous carrier.

Facing


Definition:

  • (p. pr. & vb. n.) of Face
  • (n.) A covering in front, for ornament or other purpose; an exterior covering or sheathing; as, the facing of an earthen slope, sea wall, etc. , to strengthen it or to protect or adorn the exposed surface.
  • (n.) A lining placed near the edge of a garment for ornament or protection.
  • (n.) The finishing of any face of a wall with material different from that of which it is chiefly composed, or the coating or material so used.
  • (n.) A powdered substance, as charcoal, bituminous coal, ect., applied to the face of a mold, or mixed with the sand that forms it, to give a fine smooth surface to the casting.
  • (n.) The collar and cuffs of a military coat; -- commonly of a color different from that of the coat.
  • (n.) The movement of soldiers by turning on their heels to the right, left, or about; -- chiefly in the pl.

Example Sentences:

  • (1) Some commentators have described his ship, now facing more delays after a decade in development, as little more than a Heath Robinson machine.
  • (2) I hope this movement will continue and spread for it has within itself the power to stand up to fascism, be victorious in the face of extremism and say no to oppressive political powers everywhere.” Appearing via videolink from Tehran, and joined by London mayor Sadiq Khan and Palme d’Or winner Mike Leigh, Farhadi said: “We are all citizens of the world and I will endeavour to protect and spread this unity.” The London screening of The Salesman on Sunday evening wasintended to be a show of unity and strength against Trump’s travel ban, which attempted to block arrivals in the US from seven predominantly Muslim countries: Iran, Iraq, Libya, Sudan, Somalia, Syria and Yemen.
  • (3) The playing fields on which all those players began their journeys have been underfunded for years and are now facing a renewed crisis because of cuts to local authority budgets.
  • (4) Matthias Müller, VW’s chief executive, said: “In light of the wide range of challenges we are currently facing, we are satisfied overall with the start we have made to what will undoubtedly be a demanding fiscal year 2016.
  • (5) Former lawmaker and historian Faraj Najm said the ruling resets Libya “back to square one” and that the choice now faced by the Tobruk-based parliament is “between bad and worse”.
  • (6) The dilemmas faced by the genetic counsellor are discussed in this variable autosomal dominant condition.
  • (7) The law would let people find out if partners had a history of domestic violence but is likely to face objections from civil liberties groups.
  • (8) It was so difficult to keep a straight face when I was filming a sauna scene with Roy Barraclough, who played the mayor of Blackpool.
  • (9) "We presently are involved in a number of intellectual property lawsuits, and as we face increasing competition and gain an increasingly high profile, we expect the number of patent and other intellectual property claims against us to grow," the company said.
  • (10) In subsequent experiments, both components were found to be significant and additive predictors of face recognition with no residual effect of typicality.
  • (11) Think of Nelson Mandela – there is a determination, an unwillingness to bend in the face of challenges, that earns you respect and makes people look to you for guidance.
  • (12) The size of Florida makes the kind of face-to-face politics of the earlier contests impossible, requiring instead huge ad spending.
  • (13) The lymphocyte-specific phosphoprotein LSP1 associates with the cytoplasmic face of the plasma membrane and with the cytoskeleton.
  • (14) Newspapers and websites across the country have been reporting the threat facing nursery schools for weeks, from Lancashire to Birmingham and beyond.
  • (15) When faced with a big dilemma, the time-honoured tradition of politicians is to order an inquiry, and that is what Browne expects.
  • (16) Taking into account the calculated volume and considering the triangular image as one face of the particle, it is suggested that eIF-3 has the shape of a flat triangular prism with a height of about 7 nm and the above-mentioned side-lengths.
  • (17) What is Obama doing about the prejudice and violence faced by brown people here at home?
  • (18) "Monasteries and convents face greater risks than other buildings in terms of fire safety," the article said, adding that many are built with flammable materials and located far away from professional fire brigades.
  • (19) Cameron, who faces intense political pressure from the UK Independence party in the runup to the 2014 European parliamentary elections, believes voters will need to be consulted if the EU agrees a major treaty revision in the next few years.
  • (20) Uruguay's coach, Oscar Tabárez, had insisted yesterday that his player should face only a one-match ban.