strike hard

Từ điển WordNet v3.1 - WordNet Dictionary

verb

deliver a sharp blow or push :"He knocked the glass clear across the room"
• Syn:
knock
• See Also:
knock over (for: knock), knock down (for: knock), knock out (for: knock), knock cold (for: knock)
• Derivationally related forms:
knock (for: knock)
• Hypernyms:
strike
• Verb Frames:
- Somebody ----s something
- Somebody ----s somebody