He unlocked the door.
他把门锁打开。
He unlocked his heart to his friend.
他向朋友倾诉衷肠。
He unlocked his grip on my arm.
他把紧攥着我的胳臂的手松开。
to unlock a secret
揭露秘密
英汉双解词典包含483723条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。