在面試的時候你必須見機行事。

You'll have to play it by ear at the interview.

Source: Tatoeba

Sentence Composition

1 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
2 面試 miànshì
  1. to be interviewed (as a candidate)
  2. interview
=3 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=3 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=3 的 dí really and truly
=3 的 dì (bound form) bull's-eye; target
4 時候 shíhou
  1. time
  2. length of time
  3. moment
  4. period
=5 你 nǐ you (informal, as opposed to courteous 您 nín)
=5 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
6 必須 bìxū
  1. to have to
  2. must
  3. compulsory
  4. necessarily
7 見機行事 jiànjīxíngshì
  1. see the opportunity and act (idiom); to act according to circumstances
  2. to play it by ear
  3. to use one's discretion