act up

出毛病； 运转不正常； 耍脾气； 捣蛋

You must act up to your promise.(你必须实践自己的诺言。)

Please act up the dialogue in pairs .(请两人一组表演这个对话。)

If you act up to your promise, we are going on cooperating with you.(如果你遵守你的诺言，我们将继续同你合作。)

They expect some high school students to act up but figure those who get to college will behave more maturely.(他们以为中学生会调皮捣蛋，但觉得上了大学的人行为举止会成熟些了。)

Act up to your belief.(按你的信念办。)

We should act up, push myself, supervision and mom and dad, do good members of society.(我们应该行动起来，督促自己，监督爸爸妈妈，做社会的好公民。)

The car 'engine is beginning to act up .(汽车引擎开始出毛病了。)

The car's engine is beginning to act up.(这辆车的引擎开始出毛病了。)

Curriculum leadership requires structure to maintains and act up.(课程领导需要一定的组织结构来维持和运作。)

The bird said, I'm sorry for my behaviour and will never act up again.(小鸟说：“我很抱歉我的行为，我将不再这样做了。”)

verb

1. make itself felt as a recurring pain

e.g. My arthritis is acting up again

2. misbehave badly
act in a silly or improper way

e.g. The children acted up when they were not bored

Synonym: carry on

1. 运作不正常；出毛病
If something is acting up, it is not working properly.

e.g. She was messing with the coffee pot, which was acting up again.
她正在鼓捣咖啡壶，那壶又坏了。

2. （孩子）耍脾气，捣蛋
If a child is acting up, they are behaving badly.

e.g. I could hear Jonathan acting up downstairs.
我能听见乔纳森在楼下撒泼。