usual, typical, or expected

正常的; 平常的; 意料之中的:

A normal working week is 40 hours.

一个正常的工作周是 40 小时。

It's normal to feel nervous before an exam.

考试之前觉得紧张是正常的。

Her room was untidy, but that was quite normal.

她的房间很乱，不过那也很正常。

She was assessed in the normal way , and placed on the waiting list.

她按惯例接受了评定，并被列于等候者名单上。

All I want is to lead a normal life .

我想要的就是过正常的生活。

someone who is normal is mentally and physically healthy and does not behave strangely

〔精神及身体状况〕正常的;

He seems a perfectly normal little boy.

他看起来是个发育完全正常的小男孩。

They can't be normal to do something like that.

干那样的事，他们一定心理不正常。

the usual state, level, or amount

正常:

Thankfully, train services are now back to normal .

谢天谢地，火车服务现在恢复正常了。

Slowly her heartbeat returned to normal .

她的心跳逐渐恢复正常。

Car sales are still below normal for the time of year.

这个时期的汽车销量仍然低于正常水平。

The journey took longer than normal.

这次旅途超过了平常所需的时间。