Grasp all, lose all.

贪多必失。

He grasped my hand and shook it warmly.

他热情地抓着我的手握了起来。

It's our hope that you will eagerly grasp every opportunity to do well for yourself and others.

我们希望你无论为自己还是为他人，都要热切地抓住每一次机会把事情做好。

We should grasp the opportunities of the nation's new round of opening-up.

我们应该抓住国家新一轮的对外开放的机会。

grasp sb's meaning

理解某人的意思

At that time, we did not fully grasp the significance of what had happened.

当时，我们没有完全明白所发生之事的重要性。

have a firm grasp on

抓紧；握紧

difficulties within / beyond sb's grasp

某人能/不能理解的难题

I've always had a good grasp of English language thanks to my mum who started me reading when I was very little.

我一直精通英语是由于我妈妈，她在我很小的时候就让我开始读英文。