设法保持某物：指努力保持某物，不放弃或不失去。
hold on // [ holding held holds ]
动词词组 If you hold on, or hold onto something, you keep your hand on it or around it, for example to prevent the thing from falling or to support yourself. 握住
His right arm was extended up beside his head, still holding on to a coffee cup.
他的右臂向头的一侧伸开，手上还紧紧握着一只咖啡杯。
He was struggling to hold onto a rock on the face of the cliff.
他拼命挣扎着去抓悬崖壁上的一块岩石。
动词词组 If you hold on, you manage to achieve success or avoid failure in spite of great difficulties or opposition. 坚持不懈
The Rams held on to defeat the Nevada Wolf Pack in Reno, 32-28.
公羊队坚忍不拔，在雷诺市以32比28的比分击败了内华达狼群队。
动词词组 If you ask someone to hold on, you are asking them to wait for a short time. 稍等片刻
The manager asked him to hold on while he investigated.
经理让他稍等一会，他去调查一下。
hold onto抓紧 quick迅速的，快的 little小的，年幼的 think想，思考 child孩子 show展览，展示 weather天气 windy有风的 high在高处 bring带来...
in advance=?ahead of=?hol... ... ahead of = 在。。的前面 hold on = 保持住 go on = 继续 ...
... resorted to 依靠；求助于 hold onto 抓住 crucial milestone 重要的里程碑 ...
紧紧抓住，抓住不放；保持住
In France, shareholders who hold onto a company investment for at least two years can sometimes earn more voting rights in a company.
在法国，持有公司投资两年以上的股东有时可以在公司里获得更多表决权。
I'll hold onto your mail for you until you get back.
你回来之前我将一直替你保管邮件。
He was struggling to hold onto a rock on the face of the cliff.
他拼命挣扎着去抓悬崖壁上的一块岩石。
"So when he finds one thing to hold onto, that's where the possessiveness comes from.
VOA : standard.2010.07.07
"I think a lot of them are really derivative of "Lost."" With so many viewing choices, getting audiences to tune in to a serialized drama each week is no easy feat, yet "Lost" managed to hold onto a huge,loyal fan base.
VOA : standard.2010.05.25
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
生物医学工程探索课程节选 : 耶鲁公开课
If Karadzic stays away from court, judges will hold a hearing onto how to proceed.
VOA : standard.2009.10.27
The president's critics have accused him of using the courts to hold onto power indefinitely.
BBC: Bolivia: New law backs President Evo Morales third term
And why would Assange hold onto the documents for so long before publishing them?
Typically private equity firms hold onto companies for at least three to five years.