1.
He was a man of vicious conduct, who chose, instead of retaining his niece, to bring his mistress under his roof.
他是个行为不端的人，他想把情妇领到家里来住，而把侄女赶走。
2.
Your bad behaviour is getting beyond a joke.
你这种不端的行为越来越令人恼火。
3.
damage(sb or sb's reputation),eg by suggesting they have acted immorally
玷污（某人或某人的名誉）（如说某人行为不端）
4.
A disciplinable misdeed.
应受处罚的不端行为
5.
keep sB. straight
使某人端正自己的行为
6.
A war is no excuse for indecorum.
战争不成其为不端行为的借口。
7.
a crooked banker tried to deceive the public by starting a fire to destroy the records.
一个行为不端的银行家企图采用火焚记录的办法来掩人耳目。
8.
His misconduct let in a lost of troubles.
他的不端行为招致不少麻烦。
9.
She closed her eyes to her children's misbehaviour.
她对自己孩子的不端行为视而不见。
10.
(of people or their actions)crafty;deceptive
（指人及人的行为）诡计多端的,欺骗的
11.
Behavior not conforming to prevailing standards or laws; impropriety.
举止不端不遵从普遍流行的标准或法律的举止；行为不端
12.
How are employees disciplined for misconduct or poor performance?
如果工人有不端行为或恶劣的表现会受到什麽处分?
13.
He jumped on me for that misbehaviour.
他对我的不端行为严加责备。
14.
They started to probe into his misconduct.
他们开始查究他的不端行为。
15.
She told the misbehaving student off.
她申斥了行为不端的学生。
16.
Her sister had been into no mischief whatever.
她姐姐从来没有什么不端的行为。
17.
He has received several sharp reproofs for bad behaviour.
他因行为不端已受到几次严厉的责备。
18.
He was very indignant with his wife over her improper conduct.
他对他妻子的不端行为感到非常愤慨。