irony

他的作品中有很多反讽。

There is a lot of ___irony in his writing.

她的演讲带着尖锐的反讽语气。

Her speech was delivered with a sharp tone of ___irony.

讽刺的是，他现在退休了，却比以往任何时候都忙。

The ___irony is that now he's retired, he's busier than ever.