Bears have thick skin.

熊有厚厚的皮毛。

But you are such a thick skin.

但现在你的脸皮这么厚。

An excellent leader need a thick skin.

一个优秀的领导需要拉得下面子。

He has a thick skin.

想作一个好的推销员必须厚脸皮。

You need a thick skin to be a headmaster.

要当校长，你就得脸皮厚一些。