act up
第三人称
acts up
现在进行时
acting up
过去式
acted up
过去完成时
acted up
1
发作, 引起不适
to cause regular discomfort or pain, often related to a physical illness or health issue
- His old knee injury acts up every time it rains, causing him pain.
他的旧膝伤每次下雨都会发作，给他带来痛苦。
- When her back starts acting up, she has trouble with daily activities.
当她的背部开始闹情绪时，她在日常活动中会遇到困难。
- The arthritis in his hands acts up more during cold weather.
他手上的关节炎在寒冷天气时更常发作。
- Stress can make chronic conditions act up, so it's important to manage it.
压力会使慢性病发作，因此管理它很重要。
- I can't play sports right now because my ankle is acting up again.
我现在不能运动，因为我的脚踝又开始不舒服了。
2
行为不当, 捣乱
to behave in an improper manner, often disregarding rules or social norms
- During the class, some students tend to act up and disrupt the lesson.
在课堂上，一些学生倾向于行为不当并扰乱课程。
- Children may act up when they are seeking attention from their parents.
孩子们在寻求父母的关注时可能会调皮捣蛋。
- It's essential to address the students who act up in the classroom to maintain order.
解决在课堂上行为不当的学生对于维持秩序至关重要。
- The party became chaotic when a few guests started acting up after drinking.
当一些客人在喝酒后开始闹事时，派对变得混乱。
- The comedian's goal is to make the audience laugh and act up during the show.
喜剧演员的目标是让观众笑并在表演期间行为不当。
同义词：
3
出毛病, 不正常工作
(of mechanical devices, technology, or equipment) to not work properly
- My old computer tends to act up whenever I run multiple applications.
每当我运行多个应用程序时，我的旧电脑往往会出问题。
- The printer started acting up, and we couldn't get it to print the documents.
打印机开始出毛病，我们无法打印文件。
- The car's engine acted up, and it suddenly stopped on the highway.
汽车的发动机出了毛病，突然在高速公路上停了下来。
- Our office photocopier often acts up and causes delays in our work.
我们办公室的复印机经常出问题，导致我们的工作延误。
- When the weather is very cold, my smartphone's touchscreen can act up.
当天气非常寒冷时，我的智能手机的触摸屏可能会出问题。
4
暂代, 临时担任更高职位
to be temporarily assigned to a higher position within an organization or role
- Due to the manager's illness, I had to act up as the team leader for a week.
由于经理生病，我不得不临时担任团队领导一周。
- While our supervisor is on maternity leave, John will act up as the interim department head.
在我们的主管休产假期间，约翰将代理临时部门主管。
- She acted up as the project leader during the director's sabbatical.
在导演的休假期间，她担任了项目负责人的角色。
- The assistant coach will act up as the head coach during his absence.
助理教练将在主教练缺席期间代理主教练职务。