ONE PHRASE, IN CONTEXT
act up
(机器)出故障;(人)调皮捣蛋

GET TO KNOW THE MEANING
读懂它,也学会这样说。
01(机器)出故障;(人)调皮捣蛋
IN A SENTENCE
My old laptop acted up during the presentation, so I switched to the backup computer.
演示时我的旧笔记本出了故障,所以我换用了备用电脑。
ONE PHRASE, IN CONTEXT
(机器)出故障;(人)调皮捣蛋

GET TO KNOW THE MEANING
IN A SENTENCE
My old laptop acted up during the presentation, so I switched to the backup computer.
演示时我的旧笔记本出了故障,所以我换用了备用电脑。