1.Mock not a cobbler for his black thumbs.

1.莫笑皮匠拇指黑。

2.I'm going to stick out like the proverbial sore thumb.

2.我将像谚语中所的伤痛拇指那样与众不同。

3.This glove has a hole in the thumb.

3.这只手套的大拇指处有个洞。

4.I press the thumbtack into the board with thumb.

4.我用大拇指将图钉按在木板上。

5.He pinched the leaf between his thumb and forefinger.

5.他将叶子捏在拇指和食指之。

6.He’s all thumbs when it comes to fixing machines.

6.到修器，他笨手笨脚。

7.There is a hole in the thumb of his mitten.

7.他的手套的姆指上有个洞。

8.The base of the thumb is where it joins the hand.

8.拇指的起点在与手掌接合处。

9.A photograph shows one of the crowd thumbing his nose at the speaker.

9.有张照片上显示一位听众对讲演人做出不屑一顾的动作。

10.That alone will challenge old rules of thumb about the relative riskiness of emerging-market debt.

10.楼主翻成关于新兴市场债务风险的估算仅凭这个就会受到质疑。

11.I'm all fingers and thumbs today.

11.今天我手脚不灵。

12.Opposition in an important movement of thumb, for thumb opposes other fingers in many types of prehension.

12.摘对向动作大姆指的一个重动作，它帮助大姆指完成多数的握执动作。

13.As a rule of thumb you need a litre of paint to every 12 square metres of wall.

13.根据经验粗算一下，每12平方米墙面需一升涂料。