head|head out 和 head off 区别

head out:前往,启程,出发,到达,长出头状物,头向外
例句:I have a long way to go before dark.I'm going to head out.天黑之前我还要走一大段路程,我得上路了。
【head|head out 和 head off 区别】head off:拦截,改变话题,回避,赶在别人之前到达
例句:The thief realized that the police were following him,but he succeeded in heading them off at the junction.小偷发现警察在跟踪他,可是他在十字路口把他们甩掉了。

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