1. head off的意思

1. 绕到前面去;拦住：head for 朝...方向走去 | head off 绕到前面去;拦住 | head on 迎面地,正面地

2. 阻止：head money 人头税 | head off 阻止 | head office 总公司

3. 开头：head of water 水头 | head off 开头 | head office 总部总局

4. head off

4. 阻止, 拦截：expand my vision 阔大我的视野 | head off 阻止,拦截 | have an advantage over sb. 比某人有优势

1. 拦截;拦住
    If you head off a person, animal, or vehicle, you move to a place in front of them in order to capture them or make them change the direction they are moving in.

    e.g. He changed direction swiftly, turned into the hallway and headed her off.
           他迅速改变方向，拐进走廊截住了她。

2. 阻止，防止（尤指不愉快的事）发生
    If you head something off, especially something unpleasant, you take action before it is expected to happen in order to prevent it from happening.

    e.g. He would ask Congress to intervene and head off a strike...
           他将要求国会进行干预，防止发生罢工。
    e.g. You have to be good at spotting trouble on the way and heading it off.
           你必须善于发现潜在的麻烦并加以化解。

1. prevent the occurrence of
    prevent from happening

    e.g. Let''s avoid a confrontation
           head off a confrontation
           avert a strike

    Synonym: debarforefendforfendobviatedeflectavertstave offfend offavoidward off