nod

nod
(nodded, nodding)

[no obj.]lower and raise one's head slightly and briefly, especially in greeting, assent, or understanding, or to give someone a signal
点头（尤用于问候，赞同，理解或向某人示意）
he nodded to Mona to unlock the door.
他点头示意莫娜把门打开。
[with obj.]she nodded her head in agreement.
她点头表示同意。
■[with obj.]signify or express (greeting, assent, or understanding) in this way
点头表示（问候，赞同，理解）
he nodded his consent.
他点头以示赞同。
■[no obj., with adverbial of direction]draw or direct attention to someone or something by moving one's head
点头（以引起对人或物注意）
he nodded towards the corner of the room.
他朝房间的角落点点头。
■move one's head up and down repeatedly
反复点头
he shut his eyes, nodding to the beat.
他闭着眼睛，跟着节拍点头。
foxgloves nodding by the path.
毛地黄花在小路边点着头。
[no obj.]let one's head fall forward when drowsy or asleep
（瞌睡时）垂着头
Anna nodded over her book.
安娜对着书本垂头打瞌睡。
Latin
■make a mistake due to a momentary lack of alertness or attention
一时疏忽
scientific reason, like Homer, sometimes nods.
科学推理就像荷马，有时也会出错。
[with obj. And adverbial of direction](Soccer)head (the ball) in a specified direction without great force
(英足)顶（球）

noun

常用词组
a nodding acquaintance

a slight acquaintance with a person or knowledge of a subject
（与某人）点头之交；（对某物）略知一二
students will need a nodding acquaintance with three other languages.
学生需要对其他三种语言略知一二。

be on nodding terms

get the nod

give someone/thing the nod

select or approve someone or something
选中；批准
they banned one book but gave the other the nod.
他们查禁了一本书却批准了另一本。
give someone a signal
示意

a nod's as good as a wink to a blind horse

(proverb)used to convey that a hint or suggestion can be or has been understood without the need of further elaboration or explanation
(谚)不言自明

on the nod
(Brit. informal) (英，非正式)

by general agreement and without discussion
未经讨论而一致通过
parliamentary approval of the treaty went through on the nod.
议会点头通过了该条约。
(dated)on credit
(旧)赊账

语源

late Middle English (as a verb): perhaps of Low German origin; compare with Middle High German notten 'move about, shake'. The noun dates from the mid 16th cent

继承用法
nod off

(informal)fall asleep, especially briefly or unintentionally
(非正式)打瞌睡，打盹
some of the congregation nodded off during the sermon.
在布道集会上有些人打起了瞌睡。

nod something through

(informal)approve by general agreement and without discussion
(非正式)未经讨论而一致通过
the DTI nodded through the bid from Airtours.
贸易工业部点头通过了空旅公司的投标。

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