The plane leaves tomorrow afternoon so we need to set off for the airport at 11am.
Set off: to begin a journery 出發,動身,啟程
We set off for London just after ten.
剛過十點,我們就動身上倫敦去了.
Set off 后加for再加地點,表示要去的地方.
Stop off (at/in…): 中途停留
We stopped off at a hotel for the night?
我們中途停下來在一家旅館住了一宿。
Back back: to return, especially to your home 返回,回去,回家
What time did you get back last night?
你昨晚什么時候回家的?
We'll return home in ten days time ….
我們十天后回來...
注意in:after a particular length of time 在(某段時間)之后
It'll be ready in a week's time.
只需一周的時間就會準備好.