一发千钧

一髮千鈞
yīfàqiānjūn

synonym of 千鈞一髮 /千钧一发 (qiānjūnyīfà, “imminent peril; a matter of life or death”)

Wiktionary

Entry Composition

=1 一发 yīfā
  1. along with all others; altogether
  2. even more
=1 一发 yīfà
  1. (literary, figurative) danger; dangerous moment
  2. (literary, figurative) distant and hazy
  3. (literary, figurative) something minute
  4. (literary, literal) a hair
  5. a hair
  6. danger; dangerous moment
  7. distant and hazy
  8. something minute
=2 千 qiān thousand
=2 千 qiān used in 秋千 qiūqiān
3 钧 jūn
  1. 30 catties
  2. great
  3. your (honorific)