例句：You must be tired. Why not rest for a while?
翻譯：你一定累了。何不休息一會兒？
變化
● 單數：while [hwaɪl]
例句：While I was listening to the radio, Dad was driving a car.
翻譯：我在聽廣播的時候，爸爸在開車。
● 原形：while [hwaɪl]
● 現在式單數：whiles [hwaɪlz]
● 過去式：whiled
● 過去分詞：whiled
● 現在分詞：whiling
例句：While I was playing computer games, my mom came home.
翻譯：當我在玩電腦遊戲時，媽媽回來了