1.He unlocked the secrets of his heart.

1.他表露了他心中秘密。

2.The border police required the traveler to unlock his luggage.

2.边防警察要求旅客打开行李。

3.You left the car unlocked? I thought you’d know better.

3.你没锁汽车？ 我还以为你那么煳涂。

4.The ciphers unlocked the whole letter.

4.解密方法使整封义得到说明。

5.He unlocked the door.

5.他打开了门上锁。

6.I left my bike unlocked for five minutes and it was stolen. You live and learn I suppose.

6.我没锁自行车，只离开五分钟就被偷了，只能吃一堑，长一智喽。

7.How can you lure the owner into leaving the house unlocked so that we can steal the jewels?

7.你怎么才能骗主人离开却锁门, 以便我们进去偷珠宝呢?