I always try to keep up with ("keep up on") current affairs.
They ran so fast I could hardly keep up.
I'm not sure I can keep up with her.
She said nothing and trotted to keep up with his long stride.
There are monsters and big men with funny … At that point her talking became too quick for the translator hooked on Evelyn's ear to keep up.
Irritated at the sudden break of warmth and intimacy, she sighed as she trotted to keep up.
His woman was speaking too quickly for the translator to keep up.