run-in

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. An encounter; a scrape or brush, especially one involving trouble or difficulty.
    — During that time he had two more run-ins with the law. One involved the sale of stolen property. The other was for a series of hot checks.
  2. The end-phase of a competition etc.
    — Yahoo Sport's Leicester City blogger Helen Nutter gets ready for the Premier League run-in knowing her side - incredibly - still have a great chance of being crowned champions
  3. A sudden compression between two coupled railcars when the hinder one is moving faster than the fore one.
    — Brake pipe pressure reduction rates of over 30 psi/sec lasting for about 15 milliseconds were created by harsh slack run-ins.
形容词 adj.
  1. (not comparable) Having been run in before or behind previous text. adjective,error-misspelling,not-comparable,participle,usually
    — These headings are of the run-in type because a free-hanging style would just be a waste of column inches.
  2. (sometimes comparable) Having been run in to seat the parts. adjective,error-misspelling,not-comparable,participle,usually
    — A well run-in engine is likelier to consume less crankcase oil over the course of its working life.

词形变化

run-ins plural more run-in comparative most run-in superlative

词源

词源 1
Derived from the verb run into.
For the meaning "end-phase", it presumably comes a marathon race, where in the final part the runners run into the stadium and complete a lap.
词源 2
Derived from the verb run in.
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