1.
The human thumb is opposable.
人类的拇指与其他四指对置。
2.
The human thumb is apposable.
人类的拇指与其他四指并置。
3.
The short thick digit of the human hand, next to the index finger and opposable to each of the other four digits.
拇指人手上邻近食指且可与其它四指相对的短而粗的手指
4.
thumbnail sketch
用拇指轻按鼻头挥动四指表示轻蔑、嗤之以鼻
5.
Four little, five little, six little fingers.
四个，五个，六个小手指
6.
Four little, three little, two little fingers,
四个，三个，两个小手指
7.
(of limbs)having no feeling
（指四肢）麻木,发麻,麻痹
8.
The thermometer registered four degrees of frost.
温度计指着零下四度。
9.
e address instruction format
四加一地址指令格式
10.
Having four sections.Used of a shield.
有四层的，用来指盾牌
11.
common time
普通拍子(指二或四拍)
12.
common time;two or four beats(esp four crotchets)in a bar
普通拍子（每小节两拍或四拍,尤指四个四分音符）.
13.
4-wire, 2-way repeater. Right-click for one or four line.
四线双向中继器。右击指定单线或四线。
14.
4-wire, 2-way repeater. One or four line can be specified.
四线双向中继器。可指定单线或四线。
15.
an example is the Four Great Painters of the Yuan Dynasty (1279-1368).
"元四家"，是指元代四个突出的山水画家:
16.
These are what we mean by the four guarantees.
所谓四个保证，就是指这四件事情。
17.
a glove that encases the thumb separately from the other four fingers.
拇指和其它四个指头分开的手套。
18.
a small fipple flute with with four finger holes and two thumb holes.
带有四个手指孔和两个拇指孔的哨笛。