引火线 yǐn huǒ xiàn

DEFINITIONS

  1. fuse (for explosives)
  2. (fig.) proximate cause
  3. the last straw

CHARACTERS

引 yǐn
HSK 4
to pull, draw out, attract; to stretch
火 huǒ
HSK 2
fire, flame; burn; anger, rage
线 xiàn
HSK 4
line, thread, wire; clue