加紧

加緊
jiājǐn
  1. to intensify
  2. to speed up
  3. to step up

CEDICT

Entry Composition

1 加 jiā
  1. to add
  2. (math.) plus
  3. to increase; to augment
  4. (used before a disyllabic verb, often after an adverb like 不 bù, 大 dà, 稍 shāo etc, to indicate that the action applies to sth previously mentioned, as in 稍加改良 shāojiāgǎiliáng "make some minor improvements to (it)")
2 紧 jǐn
  1. tight
  2. strict
  3. close at hand
  4. near
  5. urgent
  6. tense
  7. hard up
  8. short of money
  9. to tighten