撞 | zhuàng | to knock against / to bump into / to run into / to meet by accident | |
磕碰 | kē pèng | to knock against / to bump into / to have a disagreement / to clash | |
碰击 | pèng jī | to knock against / to knock together / to rattle | |
抢 | qiāng | (literary) to knock against (esp. to knock one's head on the ground in grief or rage) / opposite in direction / contrary |