act up 胡鬧,出毛病
The children started to act up as soon as the teacher left the room.
老師一離開(kāi)教室,孩子們就鬧起來(lái)了。
更多信息請(qǐng)查看俚語(yǔ)口語(yǔ)
2025國(guó)考·省考課程試聽(tīng)報(bào)名