動詞 unlock:

1. open the lock of
2. set free or release
3. become unlocked

1. I saw him enter the room, unlock a drawer, take out a document, photograph it and put it back.
   我看見他進(jìn)了房間，打開抽屜的鎖，取出文件，照了相，然后又把它放回去。
2. She fail to unlock the safe in spite of all her exertion.
   她雖然費(fèi)盡力氣，仍未能將那保險箱的鎖打開。
3. Scientists have unlocked the secret of the atom.
   科學(xué)家已經(jīng)揭開了原子的秘密。
4. I unlocked the door and went into the room.
   我打開房門，然后走進(jìn)屋里。