c. 1400, from un- (2) "reverse, opposite of" + lock (v.). Figurative sense is attested from 1530s. Old English had unlucan "to unlock, open." Related: Unlocked; unlocking.
实用例句
1. She planned to unlock the store at 8.00 sharp this morning.
她打算今天早上8点整准时开门营业。
来自柯林斯例句
2. to unlock the door
打开门锁
来自《权威词典》
3. The border police required the traveler to unlock his luggage.
边防警察要求旅客打开行李.
来自《简明英汉词典》
4. We have an opportunity now to really unlock the secrets of the universe.
我们现在有机会去真正解开宇宙的奥秘。
来自柯林斯例句
5. Education and training is the key that will unlock our nation's potential.
