1.
be in the right place or situation.
处在正当的场所或者正当的场合。
2.
The provinces and municipalities, prefectures, counties, districts and townships should all enjoy their own proper independence and rights and should fight for them.
正当的独立性，正当的权利，
3.
Is he justified in his behaviour?
他的行为是正当的吗？
4.
They lived by honest labour.
他们靠正当的劳动生活。
5.
Is it ever right to kill?
杀害生命是正当的吗?
6.
A questionable stockbroker.
不正当的股票经纪人
7.
owe a person a grudge
(有正当的理由) 怀恨某人
8.
improper business practices
不正当的商业行为.
9.
Equal pay for equal work is valid.
同工同酬是正当的。
10.
It is perfectly competent for me to refuse.
我拒绝是十分正当的。
11.
He lives by honest labour.
他靠正当的劳动生活。
12.
get rich by devious means
以不正当的手段致富.
13.
It is only fair that people who work hard should prosper.
勤劳致富是正当的。
14.
undue influence [voting]
不正当的影响〔投票〕
15.
make an honest living
靠正当的收入生活.
16.
Have an amour with...
同。。。有不正当的男女关系
17.
Don't restrict her proper activities.
不要拘束她的正当活动。
18.
You played a forehand-stroke.
当你打正手拍的时候，