【日常口语】good for nothing 一无是处

good for nothing    一无是处

A: It seems that nobody in your class likes Paul.

A：好像你们班没有人喜欢保罗。

B: The boy is good for nothing.

B：他这个人一无是处。

A: As a teacher, I don't know how to help him.

A：作为一名老师，我不知道该如何帮助他。

B: He is hopeless.

B：他无药可救了。