Meaning of luàn lái:
luàn lái
乱来
Verb
to act recklessly; to mess around
Tā zǒng shì xǐhuān luànlái, cónglái bù kǎolǜ hòuguǒ.
他总是喜欢乱来，从来不考虑后果。
He always likes to act recklessly and never considers the consequences.
Qǐng bùyào zài bàngōngshì lǐ luàn lái.
请不要在办公室里乱来。
Please don't mess around in the office.
