unlock
/ˌʌnˈlɒk/verb
with obj.
1- undo the lock of (something) using a key用钥匙开锁：
he unlocked the door to his room.
他打开了他房门的锁。
1.1
- make (something previously inaccessible or unexploited) available for use利用（原先无法得到或未被利用之物）：
the campaign has helped us unlock rich reserves of talent among our employees.
竞赛帮我们打开了员工丰富的智慧储备。