2019湖南教师招聘：head off是什么意思

使改变方向， 阻挡[拦截](某人); 防止…发生;

例句

You will have to speak to both groups of men quickly if you want to head off a nasty disagreement.

如果你想避免一场令人讨厌的争执，就必须跟两方的人谈一谈。

To start with, Detroit is finally positioned to head off Japanese gains that traditionally accompany rising gasoline prices.

首先，过去油价攀升总会使得日系汽车获利，现在底特律终于得以扭转局面。