0360_to be thick-skinned(tough-skinned)

0360 Daily Easy English Expression PODCAST—to be thick-skinned (tough-skinned)
中譯: 不受批評影響
Dialog at: 2:27 and 6:13

A: My professor is SO mean to me. He always criticizes my writing.
B: You need to be more thick-skinned.
A: But he NEVER likes my work.
B: He’s making you a better writer. Don’t get emotional.