A thin skin - Idioms by The Free Dictionary
a thin skin
(a) thin skin
A personality or disposition that is easily offended or upset by something that is said. Watch what you say around Uncle Ed—he has such thin skin and gets angry at the slightest provocation. You can't have a thin skin if you want to be an actress—harsh reviews are all too common.
a thin skin
COMMON If someone has a thin skin, they are very easily upset or offended by criticism. He'll never make it in journalism with such a thin skin. Note: You can also describe someone as being thin-skinned. She didn't mean it as an insult — you're too thin-skinned!
(have) a thick/thin ˈskin (informal) (be) not affected/affected by criticism or unkind remarks: A traffic warden needs a thick skin to take so much abuse from motorists. ♢ He’s got rather a thin skin for a politician. He’ll have to learn to take the odd unkind remark. ▶ ˌthick-ˈskinned, ˌthin-ˈskinned adj.
References in classic literature
Switzerland is simply a large, humpy, solid rock, with a thin skin
of grass stretched over it.
FOR a tough guy, Roy Keane seems to have a thin skin
when it comes to Jose Mourinho's slightly early handshake.
In some places, modern block houses are simply being overclad with a thin skin