猫哭老鼠　

◎ 猫哭老鼠 māokū-lǎoshǔ

[It is sheer hyprocricy for the cat to cry over the death of mouse;shed crocodile tears] 比喻假慈悲,伪装同情

不要猫哭老鼠了,我问你,你今晚咋个把他逼来跳水的?