它是用来开锁的。

It's used to open the lock.

youdao

做事成功的要诀就如同钥匙开锁的道理一样，如果你不能准确对号，那么一定无法打开成功之门。

The key to the success of things like the key to unlock the same reason, if you can not accurately check mark, then we can not open the door to success.

youdao

摄影成功的要诀就如同钥匙开锁的道理一样，如果你不能准确对号，那么一定无法打开成功之门。

The word of the keys to success photography as the key to unlock, if you can't accurately check the number, so must be unable to open the door to success.

youdao