To be crude and careless is an extremely bad style of work.

　　粗枝大葉是一種極壞的作風(fēng)。

　　On inspection, the meat was found to be bad.

　　經(jīng)檢查，發(fā)現這些肉是壞的。

　　Do you want the good news or the bad news first?

　　你是想先聽(tīng)好消息還是壞消息？

　　Why should I want to make you feel bad?

　　我干嗎要讓你難過(guò)呢？

　　He was put off science by bad teaching.

　　教學(xué)不好使他失去了對理科的興趣。