Graduate teaching assistants are neither fish nor fowl, neither completely students nor teachers.
研究生助教既不完全是学生，又不完全是教师，而是介于二者之间。
My job is somewhere between a typist and a personal assistant.
我的工作介于打字员和私人助理二者之间.
Get between
（使）位于（二者）之间，（使）处于（二者）之间
There was no in between.
不可能介于两者之间。
The pointed arch is found between the two.
尖形穹窿介于两者之间。
But many investors fall somewhere be-tween these two extremes.
但很多投资者介于两者之间。
Layer 2 protocol should be between 0 and 255.
第二层通讯协议应该介于0和255之间。
an intermediate floor just above the ground floor.
指介于一层和二层之间的中层楼。
or what might be called the upper Station of Low Life,
正好介于上层、下层两者之间，
Everything in between is "soft" real-time.
介于两者之间的是“软”实时系统。
Have you got a pair in between the two?
您有没有一双大小介于这两者之间的?
"Layer 2 protocol should be between 0 and 255.\0
"第二层通讯协议应该介于0和255之间。\0
uncertain area or condition between others that are more clearly defined
（介于界限分明的两者之间的）过渡区域,模糊状态
(of a musical instrument) intermediate between alto and baritone or bass.
（指乐器）介于次高音和中音（或者低音）之间。
Zhao Shuli: An Intellectual between Torchbearer and Spokespeople
赵树理：介于启蒙者与代言人之间的知识分子
Major findings were summarized as follows: 1.
超过六成的受访者(66%)年龄分布介于65-74岁之间。
He is either nine or ten years old.
他介于九到十岁之间。
The temperature ranges between 0 c and 30 c.
气温介于0℃ 和30℃之间。