bob的意思是：上下快速移動。
壹、詳細釋義
v.上下移動；顛簸；突然出現；剪成蘑菇式；乘大雪橇；n.抖動；顛簸；蘑菇式；波波頭；鐘擺；擺錘；測錘；風箏墜子；大雪橇；連橇；詩節末尾的短行；先令；變序鳴鐘。
二、短語搭配
1.plumb bob 鉛錘；垂球
2.bob and weave 身體左擋右閃
3.staggering bob 初生牛犢；小牛肉
4.cockeye bob 旋風；氣旋；雷雨；雷暴
5.bob up 突然露面；浮起
三、例句
1.Bob had helped purge Martha of the terrible guilt that had haunted her.鮑勃幫著馬莎消除了壹直纏繞著她的可怕的犯罪感。
2.I instanced Bob as someone whose commitment had certainly got things done.我以鮑勃為例，說明全力以赴就可以成就事情。
3.She asked if I could spare her a bob or two.她問我能否借給她壹兩個便士。
4.She could only manage a slight bob of her head.她最多只能輕輕地點壹下頭。