/lɑːk/ V-T When you ~ something such as a door, drawer, or case, you fasten it, ususlly with a key, so that other people cannot open it. 锁住； Are you sure you ~ed the front door? Did you ~ the door? Have you ~ed the door? V-T If you ~ something or someone in a place, room, or container, you put them there and fasten the lock. 将…锁起来 Her maid locked the case in the safe.