行径的英文：
bad act
misdeed

参考例句：

The behavior of a vampire.
掠夺掠夺者的行径

Secretly giving supplies to the enemy is treachery.
暗中资敌是叛逆行径。

It berated Mussolini for selling out to Berlin
它严厉谴责了墨索里尼背叛、投靠柏林的行径。

We condemn Iraqi regime forces' attacks in civilian clothing, false surrender, and mistreatment of prisoners of war.
我们谴责伊拉克政权军队的行径,他们身穿便衣进行袭击,采取诈降的伎俩,并虐待战俘。

Devilment:Devilish behavior; mischief.
魔鬼似的行径:魔鬼似的行径;恶作剧

Bribery is a vile practice.
贿赂是卑鄙的行径。

Reveal the infamy of a proceeding
揭露某一行径的丑恶

an act that borders on heroism.
近似英雄的行径

The tyrant's infamous cruelties
该暴君可耻的凶残行径.

Such doings will reproach him.
这种行径会使他丢脸。

act是什么意思：
n. 行为，行动；法案；法令；一幕，段；装腔作势
v. 行动；扮演；假装；装作；起作用，见效；举动像

This is an act of depressing.
这是使人压抑的行为。

The act of disappointing.
使人失望的行为

We must act, we must act quickly.
我们必须行动，立即行动。

misdeed是什么意思：
n. 违法行为，罪恶

This is Qaddafi's last misdeed.
这是卡扎菲最后的错误之举。

That was supposedly the explanation for their misdeeds.
那可能是为他们的罪行进行的辩解

an antisocial misdeed in violation of the law by a minor.
未成年人的反社会的违法行为。