buckle up片語動詞KK [ˋbʌkəl ʌp] /ˈbʌkəl ʌp/發音片語動詞1繫好安全帶、繫上安全帶Please buckle up before I start the car.我發動車子前,請先繫好安全帶。2做好準備、繫緊安全帶口語Buckle up, because the next few months will be tough.做好準備,接下來幾個月會很難熬。3為……繫上安全帶可拆開She buckled the children up in the back seat.她替孩子們在後座繫好安全帶。