n.下马
v.(使)下马或下车;拆卸
He who rides on a tiger can never dismount. [谚]骑虎难下。
I had to dismount from my bicycle halfway up the hill. 我骑到半山腰只得从脚踏车上下来。
Two soldiers dismounted the gun from the base. 两个战士把炮从底座上卸下来。