act up
phrasal verbwithactverbuk/ækt/us/ækt/
If aperson,especiallyachild,actsup, theybehavebadly:
（尤指孩子）捣乱，表现不好Sophie gotboredandstartedactingup.苏菲感到没意思，就开始调皮捣蛋起来。
If amachineorpartof thebodyactsup, it does notperformas well as it should:
（机器）运转不正常；（身体部位）出毛病Mycaralwaysactsup incoldweather.天冷时，我的车老出故障。
Hershoulderwasactingup(=hurtingbecause ofinjury).她的肩伤发作。
to cause pain
- hurtMy leg hurts.
- acheMy legs are still aching from my run yesterday.
- throbMy head throbbed.
- stingHis cheeks stung from the aftershave he'd just put on.
- smartThe smoke was thick, making her eyes smart.
- rubThe clothing is cleverly stitched to prevent the seams rubbing anywhere.
Bad and wrong behaviour
- act out
- angel
- ASB
- astray
- atyourworstidiom
- beup to no goodidiom
- go off the railsidiom
- go round
- impossible
- in flagrante
- incorrigible
- raise hellidiom
- rakish
- rakishly
- rakishness
- rascally
- unworthy
- villainy
- while the cat's away, the mice will playidiom
- worst
You can also find related words, phrases, and synonyms in the topics:
Machines - not functioning
Pain & painful