unlock
v[Tn]
1 unfasten the lock of (a door, etc) using a key (用钥匙)开(门等)的锁
unlock the gate 打开大门的锁.
2 release (sth) by, or as if by, unlocking 开锁或似开锁般释放(某事物)
exploration to unlock the secrets of the ocean bed 揭开大洋底部秘密的探险.
What a delicious supper! Next time you must come to us.
多好吃的一顿饭呀!下次你要到我们家作客啊!
Of course he is. He's very successful. He's made lots of records. They broadcast a programme of his music last month on the radio. Why don't you come on Saturday? I think you'd enjoy it.