After rapid movement, have dinner passes, heart underside (or so both sides appears possibly) can appear similar acuteness acerbity keenly feel.

在急剧的运动、用餐过后，心脏下侧(左右双方都可能出现)会出现类似的剧烈酸痛感。

youdao

I feel keenly that my ability falls short of my wishes.

我深感力不从心。

《新英汉大辞典》

We are keenly aware of what it feels like to cry, of the suffering we feel in our face after many expressions of agony and sadness.

我们敏锐地意识到想要哭的感觉，在痛苦和悲伤在我们脸上展现时我们遭受的苦难。

youdao

They feel keenly the slights, and worse, faced by kinsfolk in countries such as Slovakia, where Hungarians number 500, 000, or 10% of the population.

ECONOMIST: Hungary and Slovakia

It is Mr Mandelson's loss as an adviser and back-stiffener that Mr Blair will feel more keenly.

ECONOMIST: Politics

And there are no moments when I feel more keenly and more deeply my responsibilities as Commander-in-Chief than during those moments.

WHITEHOUSE: Ending the War, Saluting the Troops