"脸皮真厚"的英文翻译是"thick-skinned." 来源为古希腊文，原意是指有很厚的皮肤，后来引申为指能承受巨大压力和指责的人。例句如下：

"He's so thick-skinned, nothing can hurt his feelings." (他真脸皮厚，什么都不会让他难过。)

"You need to be thick-skinned to survive in this business." (你需要有脸皮厚才能在这个行业中生存。)

"I admire her thick-skinned attitude." (我很佩服她那厚厚的脸皮。)