对不起，我不该说那么难听的话。

I'm sorry. That was a hateful thing to say.

《柯林斯英汉双解大词典》

有时人们会对你的工作说些难听的话。

Sometimes people will say bad words about your work.

youdao

弟子们迟早都要听到这难听的话：“你该走了。”

Sooner or later each disciple would hear the difficult words: "the time has come for you to go."

youdao