欠妥的英文：
not proper

参考例句：

His message was not very happily worded.
他的通知在措辞上有些欠妥。

I am here to protest an ill-conceived sordid scheme
我来这就是要对一项考虑欠妥，卑鄙龌龊的计划表示抗议。

The Tunipan plan is ill-conceived because it is antienviromental
这个图尼帕计划是考虑欠妥的，因为它破坏天然环境。

Some of them are good, and some of them not so good, but hopefully we learn something from all of them
其中有些是明智的，有些则欠妥;我们只能希望能从所有已做出的抉择中学到些什么。

proper是什么意思：
adj. 适合的；正当的；固有的；严格意义上的

Cheat's never proper.
欺骗决非正当事。

Action is the proper fruit of knowledge
行动是知识的巧果

They were in proper tennis whites.
他们都穿着可体的白色网球服。

I deem it proper to refuse.
我看还是拒绝为好。

One forth is a proper fraction.
四分之一是一个真分数。