1.
In an improper or inappropriate manner.
不适当地以一种不适当的或不合时宜的方式
2.
There is a right moment and a wrong moment for everything.Tact is the habit of doing and saying the right thing at the right moment.
做任何事情都有适当、不适当的时机，机智就是要在适当时机做适当的事和说适当的话。
3.
improperly forward or bold.
不适当的急进或者大胆。
4.
He waved off suggestions of impropriety.
他撤消了不适当的建议。
5.
inadequately housed
住房条件不适当的(人)
6.
Inadequate for or unsuited to a particular purpose or application.
不足的，不适合的对某一计划或应用不适合或不适当的
7.
Occurring or done at an inappropriate time; inopportune
不适当的在一个不适当的时候出现的或做的；时间上不利的
8.
undue influence; I didn't want to show undue excitement; accused of using undue force.
不适当的影响；我并不想表现出不适当的兴奋；被控使用不适当的武力。
9.
Not in accord with accepted standards of good taste; grossly improper.
不适当地与普遍接受的良好品味之标准不符的；极为不适当的
10.
slightly improper to dine alone with a married man; improper medication.
与已婚男人单独吃饭有些不适当；不适当的药物治疗。
11.
a ostentatious and inappropriate display of learning.
对学问的炫耀的不适当的显示。
12.
excessively or unduly careful.
过分的或者不适当的小心。
13.
an indecent or improper act.
不适当的或者下流的行为。
14.
drastic measures not warranted By the circumstances.
事实证明的不适当的极端措施
15.
improper or even offensive.
不适当或者令人不快的。
16.
do wrongly or improperly.
错误的或不适当地做。
17.
Not having proper shape or form.
不象样的不具有适当的形状或形式的
18.
If we act inappropriately, we may have a bad effect.
如果搞得不适当，也会带来不好的影响。