"应该"怎么翻译

应该:
1. must
2. ought to
3. should

Relative explainations:
<hadbest> <ought> <shouldst> <behove> <had better> <be supposed to do> <be supposed to> <behoove> <liability> <aux> <want to>

Examples:
1. 你应该试一试。
You should give it a try.
2. 这条轮胎已经磨平了，你应该换一条新的。
There is no tread on the tire - you should put on a new one.
3. 依我看，我们应该接受他们的道歉。
In my judgement, we should accept their apology.
4. 你应该好好利用这个机会。
You should take advantage of it.
5. 我们应该改进所谓的生活品质。
We should improve what is called the quality of living.
6. 我看你不应该。
I don't think you ought to.
7. 我认为这些有趣的旧习俗应该保存下去。
I think these interesting old customs should be preserved.
8. 学生应该始终具有强烈的求知欲。
A student should always be curious to learn.

Had better
应该
Good thing.
应该的。
Yes, he should.
应该是。