Mechanical heart
Mechanical heart, Chinese idiom, Pinyin is j ī x ī nxi è ch á ng, which means cunning. It's from "the fate of love - mischief".
Idiom usage
Example: this man has always been crafty and resourceful. We can't easily believe what he says.
Chinese PinYin : jī xīn xiè cháng
Mechanical heart
extensive but shallow knowledge. bó ér bù jīng
wait at one 's ease for the fatigued. yǐ yì dài láo