I knocked my head against the doorpost and hurt it. 我的头撞在门柱上, 撞伤了。
I cracked the platter when I knocked it against the table. 我把盘子撞到桌子,它被碰裂了。
In fact, the biggest knock against Iverson -- that he's a chucker -- couldn't be further from the truth at this note of his career. 事实上,从艾佛森职业生涯的记录来看,单打独斗这种打法是他最大的阻碍。