G-27：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。
