捣蛋

(v) make trouble

up to mischief

monkey tricks

make waves

act up

捣蛋[dǎodàn]

-（捣乱）givesb.ahardtime:
Don'tgivemeahardtime,boys.I'mtryingtostudy.别捣蛋，伙计们，我要学习了。
-（调皮，顽皮）actup;maketrouble;domischief;mischief:

我不愿让他参加俱乐部，因为他有点捣蛋的味道。
I couldn't care for him to join the club, because he is sort of mischievous.

马上过来，你这个小捣蛋！
Come here at once, you little monkey!

那个孩子不调皮捣蛋简直就受不了。
That child seems incapable of keeping out of (ie not getting into) mischief.