间不容发

Traditional (Taiwan): 間不容髮

jiānbùróngfà ㄐㄧㄢㄅㄨˋ ㄖㄨㄥˊ ㄈㄚˋ

- by a hair's breadth (idiom)
  to escape danger etc
- in a critical state
- on the brink of crisis
- very close (to happening)

Character by character

Sources