untie; loosen restraints
你也松绑清兵卫!
You untie Seibei too!
— 用心棒 (1961)
我得帮他松绑
I have to untie him.
— 白丝带 (2009)
给我松绑
Untie me.
— 调音师 (2018)
那你松绑的靴子呢?
Then what about the boots you unlaced?
— 精英部队2:大敌当前 (2010)