unbuckle

US /ʌnˈbʌk.əl/
UK /ʌnˈbʌk.əl/
"unbuckle" picture
1.

解开, 松开

unfasten the buckle of (a belt, strap, or shoe)

:
He reached down to unbuckle his seatbelt.
他弯下腰去解开安全带。
Please unbuckle your shoes before entering the house.
进屋前请解开鞋扣。