心猿意马 xīn yuán yì mǎ

DEFINITIONS

  1. lit. heart like a frisky monkey, mind like a cantering horse (idiom); fig. capricious (derog.)
  2. to have ants in one's pants
  3. hyperactive
  4. adventurous and uncontrollable

CHARACTERS

心 xīn
HSK 3
heart; mind, intelligence; soul
猿 yuán ape
意 yì
HSK 2
thought, idea, opinion; think
马 mǎ
HSK 3
horse; surname; KangXi radical 187