start off
开始旅行
At night I started off upon my journey.
当晚,我又踏上了征程.
以…开始
What shall we start off this thing with?
我们该从哪儿开始谈这件事?
迅速跑开
The rabbit started off as soon as it smelt the dogs.
野兔一嗅到有狗的气味便迅速跑开了.