thick skin

They both credit NYC Prep as a learning experience that forced them to mature and develop a thick skin at a young age.

It could be because of that being my profession, I have a pretty thick skin.

Among his other attributes, after years of fierce criticism, is a really thick skin.

The happy possessor of a thick skin can hardly understand how one not so blessed may be hurt by the thong of a little whip!

Adelaide cut the oranges and lemon lengthwise into quarters, removing the seeds and thick skin at the centers.

Three of these knobs are furnished with points, which form an instrument well fitted to operate upon a hard thick skin.

The flavor is good but the thick skin and muskiness in taste are objectionable.

He also had a fairly thick skin, and such remarks failed to penetrate it.