Why don't you show the boys at school how good you are?

你为什么不向学校的男孩展示你的厉害呢？

It's tough to quantify how good a person is at remembering.

量化一个人的记忆力是很难的。

How good do you feel?

而你又会感觉多好？

How good this book is!

多好的一本阿

Eg. How good the boy is!

这男孩多好啊

How good or bad is death?

死亡是好是坏？

How good the bread tastes!

面包的味道好极了！

And how good is Dealer Dan?

“商人丹”有多好?。

You remember how good it was.

你记得吗？这水非常好喝。

How good or bad are we, really?

我们这样究竟是好是坏呢？