Grasp all, lose all.

贪多必失。

《新英汉大辞典》

This is not can learn or grasp all of a sudden.

这不是一下子能够学会或掌握的。

youdao

To grasp all the vocabularies of this semester.

掌握本学期所学的单字。

youdao

"We'll need to wait for all the girls to enter puberty before we have a good grasp on what the contribution is of those environmental chemicals."

VOA: special.2010.08.18

First of all, a lot of people don't seem to even grasp that basic point that you buy stocks for the dividends.

首先,很多人不明确这一基本点,买股票就是为了股利

耶鲁公开课 - 金融市场课程节选

As I say, of course, they're all science fiction, but the fact that we can grasp-- and it's not as though we go running away saying, "Oh no! This was outrageous," Right?

正如我所说,的确,这些都只是科幻作品而已,但我们仍然可以从中有所领悟,我们并不会直接走掉,说,哦,不,这实在是太不可思议了,对吗

耶鲁公开课 - 死亡课程节选

Or does he grasp all of that, and the explanation is more sinister?

FORBES: From His Very First State of the Union Utterance, President Obama Got It Wrong

Andre Brent oversees the pools at the stadium, located in Exposition Park, just south of downtown L.A. His job is to turn splashers into swimmers, and he's firm with youngsters who may not grasp all the dangers at hand.

NPR: L.A. Effort Narrows Swimming's Racial Gap

The rest may have been available but not in one place, with the one aim of ensuring we can all grasp it.

BBC: My big, fat Welsh annual report.