We're going to have to set it off manually. 我們得手動(dòng)啟動(dòng)它了。
They set off to get the baby back. 他們接孩子去了。
We set off to visit the country. 我們出發(fā)去鄉(xiāng)下探親。
We set off on a short trip to Tokyo. 我們啟程前往東京做短途旅行。
Where has your son gone? 你兒子去哪了?
He set off to travel around Europe. 他去周游歐洲了。