What's the difference between perform and serf?

Perform


Definition:

  • (v. t.) To carry through; to bring to completion; to achieve; to accomplish; to execute; to do.
  • (v. t.) To discharge; to fulfill; to act up to; as, to perform a duty; to perform a promise or a vow.
  • (v. t.) To represent; to act; to play; as in drama.
  • (v. i.) To do, execute, or accomplish something; to acquit one's self in any business; esp., to represent sometimes by action; to act a part; to play on a musical instrument; as, the players perform poorly; the musician performs on the organ.

Example Sentences:

  • (1) From 1982 to 1989, bronchoplasty or segmental bronchoplasty and pulmonary arterioplasty in combination with lobectomy and segmentectomy were performed for 9 patients with central type lung carcinoma.
  • (2) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
  • (3) These data indicate a steady improvement in laboratory performance over the last 10 years.
  • (4) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
  • (5) This paper discusses the typical echocardiographic patterns of a variety of important conditions concerning the mitral valve, the left ventricle, the interatrial and interventricular septum as well as the influence of respiration on the performance of echocardiograms.
  • (6) After two weeks all animals were killed and autopsies of the animals were performed.
  • (7) The 1989 results were compared with those of a similar survey performed in 1986.
  • (8) During the performance of propulsive waves of the oesophagus the implanted vagus nerve caused clonic to tetanic contractions of the sternohyoid muscle, thus proving the oesophagomotor genesis of the reinnervating nerve fibres.
  • (9) Theoretical computations are performed of the intercalative binding of the neocarzinostatin chromophore (NCS) with the double-stranded oligonucleotides d(CGCG)2, d(GCGC)2, d(TATA)2 and d(ATAT)2.
  • (10) In addition autoradiography was performed to localize labelled cells in the inner ear.
  • (11) Surgical repair of the rheumatologic should however, is performed rarely, and should be reserved for the infrequent cases that do not respond to medical therapy.
  • (12) Six hours later, bronchoalveolar lavage was performed.
  • (13) Basing the prediction of student performance in medical school on intellective-cognitive abilities alone has proved to be more pertinent to academic achievement than to clinical practice.
  • (14) It has also been used to measure the amount of excision repair performed by non-replicating cells damaged by carcinogens.
  • (15) The performance characteristics of the CCD are well documented and understood, having been quantified by many experimenters, especially in the physical sciences.
  • (16) 2.35pm: West Ham co-owner David Sullivan has admitted that a deal to land Miroslav Klose is unlikely to go through following the striker's star performances in South Africa.
  • (17) Just after blood sampling, FEV1 measurements were performed.
  • (18) Effects of habitual variations in napping on psychomotor performance, short-term memory and subjective states were investigated.
  • (19) The study examined the sustained effects of methylphenidate on reading performance in a sample of 42 boys, aged 8 to 11, with attention deficit-hyperactivity disorder (ADHD).
  • (20) In addition, control experiments with naloxone, ethanol, or cigarette smoking alone were performed.

Serf


Definition:

  • (v. t.) A servant or slave employed in husbandry, and in some countries attached to the soil and transferred with it, as formerly in Russia.

Example Sentences:

  • (1) This is bad news for aggregators whose digital serfs cut, paste, compile and mangle abstracts of news stories that real media outlets produce at great expense.
  • (2) His moment of fame is over and he vanishes into the shadowlands of Britain's serf-labour force.
  • (3) The Pavlovs, a highly achievement-oriented family descending from a lowly serf, improved their social status by serving the Russian Orthodox Church.
  • (4) They desired, rather, that it be lived on a higher level than that of a serf, treated as an inconvenience by a moribund oligarchy.
  • (5) It is the centenary of President Lincoln's inauguration, and of the beginning of the Civil War which ended with the liberation of the American slaves; it is also the centenary of the decree that emancipated the Russian serfs.
  • (6) At their best, blogs such as Nightjack, or the Civil Serf who revealed life in a Whitehall office before also being exposed, made the public services more open, and improved debate about how they should run.
  • (7) It is "simply disgusting at a time when people are struggling to heat their homes, these energy barons are treating them like serfs, and the government and the regulator are letting them get away with it," he said.
  • (8) So, he put his best serfs on it and came up with a birth certificate naming his father, Fred.
  • (9) The oldest is a 64-year-old who fled civil war only to find herself virtually imprisoned in the UK as an unpaid domestic serf.
  • (10) This threat is used to justify the absence of a constitution, the destruction of the judicial system, and the implementation of indefinite national service that allows the government to treat each civilian as a modern-day serf for their whole life.
  • (11) As always, the rich and powerful want to know all they can about us – "the serfs and slaves" as Assange called us – while letting us know as little as possible about them.
  • (12) The situation in the UK (as in Italy) continues to be insupportable, yet somewhat like "serfs", we've seemed resigned to suffering it, as if no serious alternative existed.
  • (13) In the 1980s, President Ronald Reagan signed a bill into law which introduced some protections for these imported serfs, under what has become known as the guest-worker program.
  • (14) Almost all low-paid work is essential: a living wage would stop cheapskate employers scrounging off tax credits and importing what too often looks like serf-labour.
  • (15) Thirty per cent are labourers, labour tenants, and squatters on white farms and work and live under conditions similar to those of the serfs of the middle ages.
  • (16) A case could be made that the unhappy family of the opening is the Russian aristocracy in the 1870s, trying to hold the line against excessive change after the grant of freedom to millions of human beings it had owned as slaves, the peasant serfs, in 1861.
  • (17) But all the baggage of that word (unelected, concentrated power keeping serfs in chains) has no meaning at all applied to Christine Blower, the elected representative of working people whose decisions she can argue for or against but must always reflect.
  • (18) "Knowledge has always flowed upwards, to bishops and kings not down to serfs and slaves.
  • (19) That was Charles –  impatient, controlling but also thoughtful towards his serfs.
  • (20) Back then Wimbledon felt like – in fact prided itself on being – a leftover from some ancien regime, with the players toiling and serfing on the lawns of a feudal estate.