The water here is not good, so I drink coffee instead.

They said people who drink coffee don't like rap.

他们说喝咖啡的人不喜欢饶舌乐。

You'd better not drink coffee before going to bed.

你最好不要在睡前喝咖啡。

Well, you know me, I don't drink coffee.

京晶：你知道我的，我不喝咖啡。

I can't drink coffee with milk in.

我不能喝加牛奶的咖啡。

I don't drink coffee.

我不喝咖啡。

You ought to know him better.

你应该更了解他。

You ought to know me better than to believe everything I say.

你应该更了解我这个人，而不只是相信我说的每句话。

But perhaps the whole of humankind believes that everyone else is superstitious and so this absurd tradition continues between people who ought to know better, each of them fearing that they will cause offence.

但或许全人类都会认为，所有其他人都是迷信的，所以，这种荒谬的传统才得以在本该更加明智的人群中传承下去，他们都担心自己会冒犯到别人。

Jenny, you ought to know better. I looked to you to set a good example to the others.

詹尼，你要聪明些，我期望你会成为其他人的榜样。

Charley, you ought to know better than that.

查理，你应该知道的更多的。

He ought to know better.

他应该更懂事些。

You ought to know better.

你应当更明白些。

History buff such as yourself ought to know better.

像你这样研究历史的人应该更清楚的

You ought to know better than to go swimming on such a cold day.

你不至于这么冷的天气去游泳吧。

You ought to know better than to gamble your money away.

你应该懂得不能赌博，把钱输掉。

Don't do that; you ought to know better at your age.

别干那事，你在这个年龄，你该学得乖一点了。

You ought to know better than to trust her.

你应当明白她这人不能相信。

Well, really! You ought to know better at your age!

好了，好了！像你这个年纪的人应该聪明些了！

This is definitely one that people ought to know better.

人们绝对需要好好了解这个单词的含义。

Its informality in this sense does not however mean that you just cobble it together, for I do expect cohesion, conciseness and grammaticality!

该作业的非正式形式并不意味著你可以随便拼凑，相反的，我要求文章结构紧凑、简明扼要且语法正确！