- 他在门前走来走去,不知道该不该进去。
He walked back and forth in front of the door, hesitating to enter.
- 如果我们应该少听多说话, 那么我们应该得到两个嘴巴一只耳朵才是。
If we were supposed to talk more than listen, we would have been given two mouths and one ear.
- 我该带些什么?
What should I bring?
- 该怎么办呢?
So what do we do now?
- 我该怎么办?
What should I do?
- 你该学他。
You should learn from his example.
- 我们应该去请医生。
We should call the doctor.
- 责任应该由你来负。
It is you that are to blame for it.
- 您应该乘5路车。
You should take the number 5 bus.
- 你该安静几天。
You must keep quiet for a few days.