to walk; to go; to run; to move (of vehicle); to visit; to leave; to go away; to die (euph.); from; through; away (in compound verbs, such as 撤走); to change (shape, form, meaning)[cedict]
撞
zhuàngㄓㄨㄤˋ
to hit; to strike; to meet by accident; to run into; to bump against; to bump into[cedict]
枪口
qiāng kǒuㄑㄧㄤ ㄎㄡˇ
muzzle of a gun; at gunpoint[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]