unlock

1. V-T If you unlock something such as a door, a room, or a container that has a lock, you open it using a key. 用鑰匙打開(kāi)

He unlocked the car and threw the coat on to the back seat. 他啟動(dòng)汽車，將外套扔到了后座。

2. V-T If you unlock the potential or the secrets of something or someone, you release them. 發(fā)掘 (潛力); 揭開(kāi) (秘密)

The point of the competition is to encourage all people to unlock their hidden potential. 競(jìng)賽的目的是鼓勵(lì)所有人發(fā)掘其隱藏的潛力。