bob
/bɔb; bɑb/ v
(-bb-)
1 [I, Ipr, Ip]
~ (up anddown) move quickly up and down (esp on water) 上下疾动（尤指在水上）
toy boats bobbing (up and down) on the waves 在水波上颠簸的玩具船.
2 (idm 习语) bob a curtsy (to sb) curtsy quickly (to sb) （向某人）行屈膝礼
The ballerina bobbed a curtsy (to the audience) before leaving the stage. 那个芭蕾舞女演员在下台之前（向观众）行屈膝礼.
3 (phr v) bob up come to the surface quickly; (re-)appear suddenly 迅速浮起; 突然（再）出现
She dived below the surface, then bobbed up like a cork again a few seconds later. 她潜入水中, 几秒钟後像软木塞一样又浮了上来.
(fig 比喻) He keeps bobbing up in the most unlikely places. 他总是在极不可能出现的地方突然出现. bob, n
1 quick movement down and up; jerk 上下的疾动; 急动: a bob of the head 点头.
2 curtsy 屈膝礼.
bob / bɔb; bɑb/ v (-bb-) [Tn]
cut (a woman's hair) short so that it hangs loosely above the shoulders 将（女子的头发）剪短至肩以上
have/wear one's hair bobbed 把头发剪短[留]至肩以上. bob, n style of bobbed hair （女子）短发型（至肩以上）
She wears her hair in a bob. 她留著短发.
bob / bɔb; bɑb/ n (pl unchanged 复数不变) (infml 口) former British coin, the shilling, replaced by the 5p coin 先令（旧时英国硬币, 後由5便士硬币所代替）.
bob / bɔb; bɑb/ n (idm 习语) bob's your `uncle (infml 口) (used to express the ease with which a task can be completed successfully 用以表示工作轻而易举)
To switch the oven on, turn the knob, and bob's your uncle! 把烤箱的电源接通, 转动旋钮, 完事大吉!