Sometimes a bit of selfishness, if it leads to greater self-knowledge, is no bad thing.

有时候一点点的自私，如果能引发更多自知之明，也并非坏事。

《柯林斯英汉双解大词典》

It is bad manners to talk with your mouth full.

嘴里塞满了东西跟人说话是不礼貌的。

《牛津词典》

Every gnarled hack knows that the best way to bury bad news is to counter it with a splashy new announcement.

每个政坛老手都知道，掩盖坏消息的最好方法是用一个引人注目的好消息来反击。

youdao

"That's what really opened up the experience for me, to prove how bad it is to really text and drive."

VOA: special.2010.07.01

It is never right to give bad examples to others, even if one expects good to come from it.

给别人示范坏榜样绝对不行，就算期待结果会是良善也不行。

耶鲁公开课 - 政治哲学导论课程节选

We have to think about how is it,how could it be true, that death is bad for the person that dies?

我们需要想清楚为什么死亡，会对死者本身造成坏处？

耶鲁公开课 - 死亡课程节选

It is vulnerable to bad news from abroad.

ECONOMIST: The economy

Although the body has no direct powers to punish doctors, hospital trusts and health authorities, it can refer doctors to the GMC if it thinks the case is bad enough to merit it.

BBC: Go-ahead to probe retired doctors

One reason is that although it may be easy to increase public spending in bad times it is hard to reduce it when the economy revives.

ECONOMIST: Policy in a recession