another way of saying be all fingers and thumbs (see finger)同be all fingers and thumbs （见finger）
thumb one's nose at
(informal)show disdain or contempt for(非正式)对…嗤之以鼻，蔑视
thumbs up (或down)
(informal)an indication of satisfaction or approval (or of rejection or failure)(非正式)赞同；赞赏，满意（或否定、排斥、反对、拒绝、抛弃）
under someone's thumb
completely under someone's influence or control在某人的支配（或控制）下，在某人的巨大影响之下
all thumbs
Lacking physical coordination, skill, or grace; clumsy.笨拙的：缺少身体上的协调、技能或风度的；笨拙的
thumb (one's) nose
To express scorn or ridicule by or as if by placing the thumb on the nose and wiggling the fingers.作蔑视的手势：把或似把拇指放在鼻子上并摆动其它手指以表示批评或嘲弄
thumbs down
An expression of rejection, refusal, or disapproval.反对：否决、拒绝或反对的表示
thumbs up
An expression of approval, success, or hope.刮刮叫：赞同、成功或希望的表示
under (one's) thumb
Under the control of someone; subordinate to.处于某人的控制下；受制于
英语四级真题
A good rule of thumb is that as soon as generals and hospital administrators jump on a management bandwagon ( ' , 追随一种管理潮流), it is time to ask questions.
出自-2017年6月阅读原文
The ability to quickly thumb through pages is also lost.
出自-2014年6月阅读原文
A good rule of thumb is that as soon as generals and hospital administrators jump on a management bandwagon (追随—种管理潮流), it is time to ask questions.
2017年6月四级真题（第三套）阅读 Section B
So are you fast at writing the messages with your thumb?
2016年6月四级真题（第一套）听力 Section B
柯林斯高阶英汉双解学习词典释义
N-COUNT
(大)拇指
Your thumb is the short thick part on the side of your hand next to your four fingers.
If you say that someone or something sticks out like a sore thumb or stands out like a sore thumb, you are emphasizing that they are very noticeable, usually because they are unusual or inappropriate.