vt.开锁;开启;揭开;表露;
vi.解开;被释放;
例句:
He unlocked the car and threw the coat on to the back seat...
他用钥匙打开车门,把外套扔到了后座上。
Now I can unlock my suitcase.
现在我可以打开我的箱子了.
I'll unlock the chain, and you pull it through, okay?
我解开链子你把车开进去好 吗 ?