a thick skin不能理解成“一张厚脸皮”，真正意思是脸皮厚；不计较面子。

【例句】
He needs a thick skin to take so much abuse from audience.
他需要有一张厚脸皮，才能够招架住观众的骂声。

You've got to have a thick skin to survive in this job.
你得脸皮厚才能保住这份工作。