(a) thick/thin skin
◇ If you have (a) thin skin, you are easily upset or offended by the things other people say or do.
He has such a thin skin that he can't even take a little good-natured teasing.
If you have (a) thick skin, you are not easily upset or offended by the things other people say and do.
She has pretty thick skin when it comes to criticism.
If you want to perform publicly, you'll need to grow a thicker skin. [=become less sensitive to criticism]
• • •
Main Entry: ↑skin
Useful english dictionary. 2012.