lock

锁, 刹车, 水闸, 一缕头发

a fastener fitted to a door or drawer to keep it firmly closed; a strand or cluster of hair; a mechanism that detonates the charge of a gun; enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it

锁, 锁上, 拘禁, 隐藏, (用锁等)拴住, 刹住

锁住, (齿轮等)啮合, (船)过闸