1. vi. & vt.点头　 bend one's head forward and down, especially to show agreement or give a greeting or sign
2. vi.打盹；打瞌睡　 let one's head drop in falling asleep while sitting down

　～ a final good-night　最后都点头互祝晚安
　～ approval　点头表示赞成之意
　～ one's agreement　点头表示同意
　～ one's consent　点头同意
　～ one's farewell　点头告别
　～ one's head　点头
　～ sb a welcome　向某人点头表示欢迎
　～ affirmatively　肯定地点头
　～ approvingly　赞同地点头
　～ ardently　热情地点头
　～ arrogantly　傲慢地点头
　～ benignly　吉祥地点头
　～ blandly　温和地点头
　～ childishly　幼稚地点头
　～ cleverly　聪明地点头
　～ complacently　自鸣得意地点头
　～ consequently　不断地点头
　～ consistently　一致地点头
　～ cordially　真心诚意地点头
　～ courteously　谦恭地点头
　～ delightfully　高兴地点头
　～ dreamily　恍惚地点头
　～ eagerly　热切地点头
　～ energetically　精力旺盛地点头
　～ enthusiastically　热情地点头
　～ foolishly　愚蠢地点头
　～ generously　慷慨地点头
　～ gladly　欣然点头
　～ gratefully　由衷地点头
　～ hurriedly　急切地点头
　～ incessantly　不断地点头
　～ industriously　殷勤地点头
　～ intentionally　有目的地点头
　～ interestingly　有趣地点头
　～ involuntarily　不由自主地点头
　～ kindly　和蔼地点头
　～ listlessly　无精打采地点头
　～ mechanically　习惯性地点头
　～ moderately　温和地点头
　～ mysteriously　神秘地点头
　～ particularly　特别点头
　～ politely　彬彬有礼地点头
　～ positively　肯定地点头
　～ reassuringly　令人安心地点头
　～ reluctantly　不情愿地点头
　～ rhythmically　有节奏地点头
　～ sagely　明智地点头
　～ satisfactorily　满意地点头
　～ sheepishly　胆怯地点头
　～ sincerely　诚恳地点头
　～ skeptically　心存怀疑地点头
　～ slowly　慢慢地点头
　～ solemnly　庄严点头
　～ speciously　特别地点头
　～ tactfully　巧妙地点头
　～ tastefully　趣味高雅地点头
　～ ultimately　最终点头
　～ unaccountably　莫名其妙地点头
　～ unconsciously　不知不觉地点头
　～ unexpectedly　意外地点头
　～ unflaggingly　悄悄地点头
　～ unnaturally　不自然地点头
　～ vehemently　激烈地点头
　～ off　打盹，睡着
　～ at　向…点头
　～ at sb with a smile　微笑着向某人点头打招呼
　～ sb into room　点头示意要某人走进房间
　～ over one's reading　看书时打瞌睡
　～ over work　工作时打盹
　～ to sb　对某人点头

　I asked her if she could come and she nodded.　我问她是否能来，她点头表示同意。
　The president nodded and every one sat down around the table.　主席点了点头，每个人都围着桌子坐下来。
　He was nodding.　他连连点头。
　She stared at the flowers nodding in the wind.　她凝视着随风摆动的花朵。
　The teacher caught her nodding.　老师发现她在打瞌睡。
　Homer sometimes nods.　智者千虑，必有一失〔老虎也有打盹时〕。
　He nodded to show that he understood.　他点头表示他懂了。
　She nodded her head when she passed me in the street.　当她在街上走过我身旁时，她向我点了点头。
　Father quietly nodded his consent.　父亲温和地点头同意。
　The teacher nodded approval.　老师点头表示赞成。
　They nodded their farewell.　他们点头告别。
　They all nodded a final good-night.　他们最后都点头互祝晚安。
　I nod her a welcome.　我向她点头表示欢迎。
　He nodded a welcome to Mary.　他向玛丽点头表示欢迎。

 ♣ nod at〔to〕　(v.+prep.)
　向…点头　bow the head slightly and quickly (as a sign of agreement or as a familiar greeting) to
　He nodded at us.　他对我们点头。
　I nodded at him in greeting.　我向他点头打招呼。
　He nodded at me as he passed.　他走过去的时候向我点头打招呼。
　She took a pull at the bottle then nodded to me.　她从瓶中喝了一口，然后向我点点头。
　He nodded to me in a friendly way.　他友好地向我点点头。
　She nodded to me with a smile.　她微笑着向我点点头。
　She nodded to us from across the room.　她从房间的另一头向我们点头打招呼。
　He nodded to me in greeting when I went into the room.　当我进入房间时，他向我点头打招呼。
　"Ask him," said Mary, nodding to John.　“问他，”玛丽边说边朝约翰点了一下头。
　He nodded to me to leave the room.　他点头示意我离开房间。
 ♣ nod back　(v.+adv.)
　以点头（方式）示意（某人）回去　bow the head slightly as a sign of agreement back
　The teacher nodded me back.　老师点头示意让我回来。
 ♣ nod into　(v.+prep.)
　以点头（方式）示意（某人）进入　bow the head slightly as a sign of agreement into
　The boss nodded me into his office.　老板点点头示意我进他办公室。
 ♣ nod off　(v.+adv.)
　〈非正〉打盹　 fall asleep accidentally
　I hope the teacher didn't notice that I nodded off in the class.　但愿老师没发现我在课堂上打瞌睡。
　He nodded off during the meeting and didn't hear what was said.　开会时，他打瞌睡，会上说什么他一点也没听。
　I often nod off for a little after lunch.　我常在午饭后打个盹。
　He nodded off while she was speaking to him.　她对他说话时，他睡着了。

　她向他点头表示欢迎。
　［误］ She nodded a welcome for him.
　［正］ She nodded him a welcome.
　［正］ She nodded a welcome to him.
　［析］ nod用作及物动词时可接双宾语，其间接宾语可以转化为介词to的宾语，但不可转化为for的宾语。

S 点头 an act of nodding

　nod　用作名词时意思是“点头”，多用单数形式，常与介词with连用，表示伴随状态。

　with a ～　点头

　The judges gave the nod to the winning challenger.　裁判们对挑战者的胜利给予确认。
　She gave me a nod as she passed.　她走过时对我点头招呼。
　From time to time, she gave him an encouraging nod.　她不时对他点头鼓励。
　Mark approves with a nod.　马克点头表示同意。

 ♣ a nod's as good as a wink　
　不用多说　used to show that the speaker understands a situation without needing a full explanation
　A nod's as good as a wink, she was sacked for incompetence.　不用多说，她因不称职而被解雇。
 ♣ on the nod　
　无人反对地　by general agreement and without being talked about
　The chairman's proposals are usually passed on the nod at the shareholders's meeting.　在股东会上主席的提议通常在无人反对的情况下通过。

　他点头作答。
　［误］ He answered with nods.
　［正］ He answered with a nod.
　［析］ nod用作名词时一般用单数，多与with a连用，表示伴随状态。

　［同义词］ v. agree, assent, slump n. gesture, greeting, indication, sign
　［词源］　古英语nodden（点头）