脱口说英语口语校园习语大全

A-19：at it 明知故犯

A：Tom is late again.
A: 汤姆又迟到了。

B: He's at it again,isn't he?
B：他明知故犯，不是吗？

A: You should give him a lesson.
A: 你应该给他点儿教训。

B: But he's only a tartar.
B：但他是个难对付的人。