put(sb)at a disadvantage;handicap(sb)unfairly
使（某人）处不利地位;不正当地妨碍（某人）
Exercising power arbitrarily and often unjustly;tyrannical.
压迫的武断地但不正当地利用权力的，威迫的
where a party improperly facilitated the satisfaction of a condition, the condition is deemed not to have been satisfied.
不正当地促成条件成就的，视为条件不成就。
To ascribe on behalf of another in an unwarranted manner.
不正当地…归于以无根据的方式把某事归于某人
Where in order to further its own interests, a party improperly impaired the satisfaction of a condition, the condition is deemed to have been satisfied;
当事人为自己的利益不正当地阻止条件成就的，视为条件已成就；
He knew he would never wrongly take another dollar as long as he lived.
他知道自己今后一生再也不会不正当地拿人家一块钱了。
gauge something incorrectly or improperly.
不正确或不适当地测量某物。
used incorrectly or carelessly or for an improper purpose.
为一个不正当的目标而不正确或粗心地使用的。
To raise or expand abnormally or improperly.
不当地高涨不正常或不合适地抬高或扩张
obtained illegally or by improper means.
非法地或通过不正当手段获得的。
a bathing suit considered indecent by local standards.
当地标准认为是不正派的游泳衣。
A bathing suit considered immodest by the local people.
当地人认为是不正派的游泳衣
But when I really stop and think about her, I always have to smile.
但是当我真正地停下想想她，我总是不由地笑。
Some people say our base areas are not yet consolidated, but of course, this is not true.
有人说我们根据地还不巩固，当然是不正确的。
Law against Unfair Competition
《反不正当竞争法》
get in by [through] the back door
用不正当手段获得当选
I was walking down the street when a UFO landed.
当一个不明飞行物着地时,我正沿着街道走.
To put to an improper, unworthy, or degrading use; abuse.
滥用，玷污不正当、可耻或卑鄙地使用；滥用