/'mɪstʃɪf; `mɪstʃɪf/
n
1 [U] behaviour (esp of children) that is annoying or does slight damage, but is not malicious (used esp as in the expressions shown) 恶作剧, 捣蛋, 顽皮, 淘气（尤用于以下示例）
*act out of mischief 调皮的举动
* Those girls are fond of mischief, ie of playing tricks, etc. 那些女孩儿爱淘气.
* Tell the children to keep out of mischief. 告诉那些孩子别胡闹.
* He's up to (ie planning) some mischief again! 他又在琢磨使坏呢!
* She's always getting into mischief. 她总是要搞点恶作剧.
2 [C] person who is fond of mischief 调皮捣蛋的人
*Where have you hidden my book, you little mischief? 你这个小淘气, 把我的书藏到哪里去了?
3 [U] tendency to tease or annoy playfully 淘气; 顽皮
*There was mischief in her eyes. 她眼中流露出调皮的神情.
* The kittens were full of mischief. 这些小猫很顽皮.
4 [U] moral harm or injury, esp caused by a person 道德上的损害或伤害（尤指人为的）
*His malicious gossip caused much mischief until the truth became known. 他散布流言蜚语危害很大, 事後才真相大白.
5 (idm 习语) ,do sb/oneself a `mischief (infml or joc 口或谑) hurt sb/oneself physically （肉体上）伤害某人[自己]
*You could do yourself a mischief on that barbed-wire fence! 别碰那道铁丝网, 能钩伤你的! make `mischief do or say sth to upset, annoy or provoke others 说出气人的或招惹人的话; 做出这种事
*Don't let her make mischief between you she's only jealous. 别让她在你们之间挑拨--她就是太忌妒了. mean mischief => mean1.

n
[Date: 1200-1300; Language: Old French;Origin: meschief 'something bad that happens', from mes- ( MIS-) + chief 'head, end']
[U]
bad behaviour, especially by children, that causes trouble or damage, but no serious harm
　Now run along, and don't get into mischief .
　They've got enough toys to keep them out of mischief for a while.
　If you can't see Nick, you can be sure he's up to some mischief (=behaving badly and causing trouble or damage) .
[U]
the pleasure or enjoyment of playing tricks on people or embarrassing them
　Kiki's eyes were bright with mischief.
make mischiefinformal
to deliberately cause quarrels or unfriendly feelings between people
make mischief between
　I didn't want to make mischief between them.
do yourself a mischief
BrE informal to injure yourself slightly
　If you try to lift that box, you'll do yourself a mischief.
[U]formal
damage or harm that is done to someone or to their property
　The jury cleared him of the charge of criminal mischief.