Fast break
Kuaidi ú P à ch à (pinyin: Ku à ID ú P à ch à), a Chinese idiom, means that a fast calf will pull over the car.
It means that young people should be restrained. it's from Shi Jilong's biography in the book of Jin: "when a fast ox is a calf, it can break the cart. You should bear it."
Fast break
love something too much to part with it - ài bù rěn shì
to entertain imaginary or groundless fears - qǐ guó yōu tiān
gain a superficial understanding through cursory observation - zǒu mǎ kàn huā