act up

Từ điển WordNet v3.1 - WordNet Dictionary

verb

1. misbehave badly;
act in a silly or improper way
- The children acted up when they were not bored
• Syn:
carry on
• Hypernyms:
misbehave, misconduct, misdemean
• Verb Frames:
- Somebody ----s
2. make itself felt as a recurring pain
- My arthritis is acting up again
• Hypernyms:
ache, smart, hurt
• Verb Frames:
- Something ----s
- Somebody's (body part) ----s