牛津電影裡 79%
繫上安全帶
to fasten your seat belt (= a belt worn by a passenger in a vehicle)
So buckle up.
編輯釋義電影裡 21%
做好準備(要來勁了/有的受了)
Used to tell someone to get ready for something intense, difficult, long, or surprising that is about to happen.
Yeah. Buckle up, babe. [chuckles]
釋義來自《牛津高階英漢雙解詞典》第 9 版