Bedeutung von “keep up” — Learner’s Dictionary

keep up

phrasal verb with keep us uk /kiːp/ verb past tense and past participle kept

B2 to move at the same speed as someone or something that is moving forward so that you stay level with them:

She was walking so fast I couldn't keep up with her.

to increase or make progress at the same speed as something or someone else so that you stay at the same level as them:

Prices have been rising very fast and wages haven't kept up.

B2 to be able to understand or deal with something that is happening or changing very fast:

I feel it's important to keep up with current events.

(Definition von “keep up” aus dem Cambridge Learner's Dictionary © Cambridge University Press)