She tried to keep hold of the child's hand.

她尽力拉住那孩子的手不放。

《牛津词典》

For example, you might have to keep hold of information about where you saw shapes and colours - and also answer questions on what they looked like.

例如，你可能必须得记住所看到的形状和颜色的信息- 并同时回答他们是什么样子的问题。

youdao

I am a very happy person and I am going to try and work hard to keep hold of the feeling I have at the moment.

我是个快乐的人，我也会努力做得很好并保持住此时这种幸福感。

youdao

By determining how many of those molecules to hold onto, how many to keep in the body, how many to release determines the internal composition with regard to that ion.

通过控制体内这些分子的水平,即体内保有多少,又排出多少,就能够保证内环境中离子组成的稳定

耶鲁公开课 - 生物医学工程探索课程节选

"We'd obviously like to keep hold of the quality boys we have, " said Gannon.

BBC: Gannon targets January clear-out

The second-half was an uninspiring affair, with neither team able to keep hold of possession.

BBC: Bristol 19-12 Cornish Pirates

The deal comes at a time when Proton has been struggling to keep hold of its dominance in Malaysia.

BBC: Proton stake sold by Khazanah to DRB-Hicom