act involuntarily

Từ điển WordNet v3.1 - WordNet Dictionary

verb

act in an uncontrolled manner
• Syn:
act reflexively
• Hypernyms:
act, behave, do
• Hyponyms:
sneeze, blink, wink, nictitate, nictate,
fart, break wind, salivate
• Verb Frames:
- Somebody ----s