knock cold

Từ điển WordNet v3.1 - WordNet Dictionary

verb

knock unconscious or senseless
- the boxing champion knocked out his opponent in a few seconds
• Syn:
knock out, kayo
• Derivationally related forms:
knockout (for: knock out)
• Hypernyms:
beat, beat up, work over
• Verb Frames:
- Somebody ----s somebody
- They want to knock cold the prisoners