v fasten with a lock
v keep engaged
v become rigid or immoveable
v hold in a locking position
v become engaged or intermeshed with one another
v hold fast (in a certain state)
v place in a place where something cannot be removed or someone cannot escape
v pass by means through a lock in a waterway
v build locks in order to facilitate the navigation of vessels
a. 上锁的；不灵活的；下定决心的
1. The door is locked, so we can't get inside.
门锁上了，所以我们进不去。
2. She locked her bike to prevent it from being stolen.
她把自行车锁上，以防被盗。
3. I forgot my keys and now I am locked out of my house.
我忘了我的钥匙，现在被锁在外面了。