hold-in

基本解释

So what's the hold-up in this seemingly simple process?
这个看似简单的过程的 “路障” 是什么呢？
It is essential for China's legislation of the real right character of mortgage to build and perfect mortgage-promulgating system, registration system, and hold-in-good-faith system.
建立和完善抵押权公示制度、登记制度及善意取得制度是完善抵押权物权性立法的重要前提。
A numeric method for computing limiting concentration of light component in the distillate of binary batch distillation under constant reflux ratio and hold-up in the column is introduced.
介绍了采用恒回流比操作方法，在塔顶、塔板持液时，间歇精馏二元理想混合物，馏出液中轻组分极限浓度的数值计算方法。

At the age of thirty-three, he became one of the youngest doctors in the United States to hold that position.
There's never been a successful third-party political culture take hold in this country without one really big issue to drive it.
美国就从没有过,第三政党真正成功执政的时候,因为缺乏一个真正重大的议题来支持它
耶鲁公开课 - 美国内战与重建课程节选
Let's say Pavarotti at the end of his life couldn't hold notes as long as he could when he was recording in nineteen seventy-eight.
比方说，在帕瓦罗蒂的晚年，他不能像在1978年那样,拖很长的音的时候。
耶鲁公开课 - 聆听音乐课程节选

Starting with the tablet itself, it's surprisingly light and easy to hold -- in fact, it's just half the weight of the aging Cintiq 12WX.
ENGADGET: Wacom Cintiq 13HD graphics display hands-on (video)