knock against

Từ điển WordNet v3.1 - WordNet Dictionary

verb

collide violently with an obstacle (Freq. 1)
- I ran into the telephone pole
• Syn:
run into, bump into, jar against, butt against
• Hypernyms:
hit, strike, impinge on, run into, collide with
• Verb Frames:
- Somebody ----s something
- Somebody ----s somebody
- Something ----s something