bob

bob1
(bobbed, bobbing)
  1. [noobj., with adverbial of direction]make a quick, short movement up and down
    上下移动;颠簸
    I could see his ginger head bobbing about.
    我可以看到他姜黄色的脑袋在上下移动。
    the boat bobbed up and down.
    那艘船不住地颠簸。
    ■[with obj.]cause (something) to make such a movement
    使上下移动,使颠簸
    she bobbed her head.
    她点了点头。
    ■[noobj., with adverbial of direction]make a sudden move in a particular direction so as to appear or disappear
    闪动,突然出现(或消失)
    a lady bobbed up from beneath the counter.
    一位女士突然从柜台底下冒了出来。
    ■[noobj.]move up and down briefly in a curtsy
    微微鞠躬(或屈膝)行礼
noun
  1. a quick, short movement up and down
    抖动,颠簸
    she could only manage a slight bob of her head.
    她最多只能轻轻地点一下头。
    ■a brief curtsy
    屈膝礼,鞠躬礼
常用词组
bob and weave
  1. make rapid bodily movements up and down and from side to side, for example as an evasive tactic by a boxer
    身体左挡右闪
bob for apples
  1. try to catch floating or hanging apples with one's mouth alone, as a game
    咬苹果游戏(用嘴巴咬住浮动或悬挂着的苹果的游戏)
语源
  1. late Middle English : of unknown origin

bob2
noun
  1. a style in which the hair is cut short and evenly all round so that it hangs above the shoulders
    周围剪成一样长度的短发(发式)
  2. a weight on a pendulum, plumb line, or kite-tail
    钟摆,摆锤,测锤;风筝坠子
  3. a bobsleigh
    大雪橇,连橇
  4. a short line at or towards the end of a stanza
    诗节末尾的短行
(bobbed, bobbing)
  1. [with obj.][usu. as adj. bobbed]cut (someone's hair) in a bob
    把(头发)剪成周围一样长度的短发样式
  2. [noobj.]ride on a bobsleigh
    乘大雪橇
语源
  1. late Middle English (denoting a bunch or cluster): of unknown origin

bob3
(复同单)
  1. (Brit. informal)a shilling
    (英,非正式)(一)先令
    ■used with reference to a moderately large but unspecified amount of money
    相当多的一笔钱
    those vases are worth a few bob.
    那些花瓶值不少钱哪。
语源
  1. late 18th cent.: of unknown origin

bob4
noun
  1. a change of order in bell-ringing
    变序鸣钟
    ■used in names of change-ringing methods
    [用于变序鸣钟各种名称]
    plain bob.
    普通变序鸣钟。
    bob minor.
    小变序鸣钟。
语源
  1. late 17th cent.: perhaps connected with bobin the noun sense 'sudden movement up and down'
英语宝典
考试词汇表