n. 1.拇指。 2.【建筑】馒形饰。 短语和例子 Put your thumbs up! 〔俚语〕使劲! Thumbs down! 差劲儿!Thumbs up! 〔俚语〕好! 顶好!a golden thumb＝ a thumb of gold＝a miller's thumb 摇钱树。 a thumb nail 〔美国〕一块钱。 a thumb pusher 〔美国〕在路上要求搭乘别人汽车的人。 vt. 1.翻阅，用拇指翻脏[翻坏](书页等)；反复读。 2.笨手笨脚地做；拙劣地弹(钢琴等)。 3.〔美口〕翘起拇指要求搭乘。 短语和例子 He thumbed his way to Boston. 他搭乘别人顺路的车去波士顿。 be all thumbs 手笨(His fingers are all thumbs. 他手笨脚笨)。 bite the thumbs at 蔑视。 by rule of thumb 单凭不多的经验，根据粗浅的常识。 count one's thumbs 消磨时间。 turn up [down] the thumb 表示赞成[反对]，表示称赞[贬低]，表示满意[不满]。 turn thumbs down to 反对(We turned thumbs down to that suggestion. 我们反对这个建议)。 turn thumbs up [on] 赞成。 twiddle [twirl] one's thumbs 抚弄大拇指，无聊。 under sb.'s thumb 受人支配，仰人鼻息。 thumbed pic 〔美国〕禁止上演的影片。 thumb it (要求)搭乘顺路的车。 thumb one's nose at 〔美国〕嗤之以鼻。 thumb the nose at 〔美俚〕打败敌手。 thumb through 翻查一过。
a convex molding having a cross section in the form of a quarter of a circle or of an ellipse 同义词：ovolo, quarter round,
the part of a glove that provides a covering for the thumb
the thick short innermost digit of the forelimb 同义词：pollex,
feel or handle with the fingers; "finger the binding of the book" 同义词：finger,
travel by getting free rides from motorists 同义词：hitchhike, hitch,
look through a book or other written material; "He thumbed through the report"; "She leafed through the volume" 同义词：flick, flip, riffle, leaf, riff,
例句与用法
1.
When it comes to dancing, i'm all thumbs . 谈到跳舞，我真是一窍不通。
2.
Again i spun the lighter with my thumb . 我用拇指重又开燃打火机。
3.
Oliver wet his great thumb griefly . 奥立佛凝神舐了一舐大拇指。
4.
Why do you have to stick out like a sore thumb ? 为什么你一定要别出心裁？
5.
I am sitting around twiddling my thumbs . 我坐在那里闲得无聊。
6.
We turned thumbs down to that suggestion . 我们反对这个建议。
7.
I'm sitting around twiddling my thumbs . 我坐在那闲得无聊。
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