1.
Their complaints are well-founded.
他们的抱怨是有理由的。
2.
he is justifiably bitter.
他的怨恨是有理由的。
3.
In the young there is a justification for this feeling.
在年轻人中有这种感觉是有理由的。
4.
He had a legitimate reason for being late.
他迟到有合理的理由。
5.
The wolf finds reason for taking the lamb .
叼羊的狼总有理由。
6.
You have given him cause for anger
你使他有发火的理由。
7.
She gave no reason for her absence
她没有说缺席的理由。
8.
Both sides have some justice in their claims.
双方的要求都有些理由。
9.
I have no reason to quarrel with him.
我没有跟他口角的理由。
10.
unwarrantable criticism.
没有充分理由的批评
11.
He has good reason to refuse.
他有充分的理由拒绝。
12.
There were strong reasons for this.
这样做是有充分理由的。
13.
owe a person a grudge
(有正当的理由) 怀恨某人
14.
There are three reasons against it : First...
有三个反对的理由： 第一…
15.
You have no grounds for complaint/for complaining.
你没有抱怨的理由.
16.
There is no real reason for complaint.
没有什么可抱怨的理由。
17.
in an uncalled-for manner.
以没有正当理由的方式。
18.
To have a cause for complaint
有提出抗议的正当理由