柯林斯詞典buckle up (buckling,buckled,buckles) 1. PHRASAL VERB When you buckle up in a car or aeroplane, you fasten your seat belt. 系上安全帶[非正式] A sign just ahead of me said, "Buckle Up. It's the Law in Illinois." 在我前面的一個告示牌上寫著“系上安全帶，這是伊利諾伊州的法律”。 返回 buckle up