untie

US /ʌnˈtaɪ/
UK /ʌnˈtaɪ/
"untie" picture
1.

解开, 松开

undo or unfasten (something that is tied or tied up)

:
She carefully untied the knot.
她小心翼翼地解开了绳结。
Can you help me untie my shoelaces?
你能帮我解开鞋带吗?