1.假哭,假慈悲 crocodile's tears
2.大吃特吃 eat like a horse
3.飞跑 run like a deer
4.过着受折磨的生活 live a dog's life
5.大雨倾盆 it rains cats and dogs
6.本末倒置 put the cart before the horse
7.不要过早乐观 Don't count chicken before they are hatched
8.脚踏两只船,必定落空.if you run after 2 hares,you'll catch neither.