1. 点头;点头赞同
    If you nod, you move your head downwards and upwards to show that you are answering 'yes' to a question, or to show agreement, understanding, or approval.

    e.g. 'Are you okay?' I asked. She nodded and smiled...
           “你没事吧?”我问她。她点点头，笑了。
    e.g. David said nothing, but simply nodded, as if understanding perfectly...
           戴维什么都没说，只是点点头，好像完全理解了。

2. (朝…方向)扬头，扬头示意
    If you nod in a particular direction, you bend your head once in that direction in order to indicate something or to give someone a signal.

    e.g. 'Does it work?' he asked, nodding at the piano...
           “它能用吗？”他边问边朝钢琴方向扬了下头。
    e.g. She nodded towards the drawing room. 'He's in there.'...
           她朝客厅方向扬了扬头说：“他在那里面。”

3. (用于打招呼或告别)点头，点头招呼
    If you nod, you bend your head once, as a way of saying hello or goodbye.

    e.g. All the girls nodded and said 'Hi'...
           所有的女孩都点头招呼道：“嗨!”
    e.g. Tom nodded a greeting but didn't say anything...
           汤姆点头致意，但什么都没说。

4. (足球中)顶(球)
    In football, if a player nods the ball in a particular direction, they hit the ball there with their head.

nod是什么意思

    e.g. Taylor leapt up to nod the ball home...
           泰勒跳起来头球破门。
    e.g. Brian McClair nodded in his twenty-third goal of the season.
           布赖恩·麦克莱尔头球攻入了自己本赛季第23粒进球。

5. 点头同意;点头允许
    If you give someone the nod, you give them permission to do something.

    e.g. 'Keep him outside till I give you the nod.'
           “没我同意，别让他进来。”

6. (建议)一致接受地，毫无异议地
    If a proposal is accepted on the nod, it is accepted without being questioned or argued about.

    e.g. He has always argued that the party cannot be seen to let the treaty through on the nod...
           他一直争辩，不能眼看着该党让此条约毫无异议地通过。
    e.g. Big issues are going through on the nod.
           重大议题将会一致通过。

相关词组：nod off