請解答以下phrasal verb 的例子5

Act up
1. 調皮;任性
The boy is fond of acting up with him.
這男孩喜歡和他一同搗蛋。
The dogs acted up when a stranger entered the front yard.
有陌生人走進前院時,狗就開始又叫又跳。
2. 出毛病
My car has been acting up again.
我的車子功能又出問題了。
The car's engine began to act up.
汽車的發動機開始出毛病了。

Work out
1. 用思考去發明,發展...
2. 為困難等找答案
3. 計算...
4. (使)逐漸移動而離開,脫出
5. 運動(常指用設備者)
I work out at the gym twice a week.
我每星期在體育館做兩次運動。

Wash up
1. 洗碗

Keep off
1. 讓開;不接近
2. 不讓...接近

Keep to
保留