脫韁

脱缰
tuōjiāng
  1. (of a horse etc) to break free from the reins
  2. (fig.) to become unconstrained

CEDICT

Entry Composition

1 脫 tuō
  1. to shed
  2. to take off
  3. to escape
  4. to get away from
2 韁 jiāng
  1. bridle
  2. reins
  3. halter

Containing this entry

脫韁之馬 tuōjiāngzhīmǎ
  1. lit. a horse that has thrown off the reins (idiom); runaway horse
  2. out of control
脫韁野馬 tuōjiāngyěmǎ a wild horse that refuses to be bridled (a metaphor for sth that runs wild)