v.開鎖；開啟；揭開；顯露
She fail to unlock the safe in spite of all her exertion. 她雖然費盡力氣，仍未能將那保險箱的鎖打開。
I keep worrying that I've left the garage door unlocked. 我一直擔心車庫的門沒有鎖。
The divers hoped to unlock some of the secrets of the sea bed. 潛水員希望揭開海底的一些秘密。
