ㄍㄨㄟˇㄐㄧˋㄉㄨㄛㄉㄨㄢguǐjì‑duōduān

鬼计多端
  1. 狡詐計謀古怪主意 鬼計多端不能不提防」。

full of devilish tricks and cunning stratagems (idiom)​, sly, crafty, malicious