The phrasal verb "keep up" is predominantly used in informal contexts but can also find its way into certain formal communications, particularly when used to denote maintaining a standard or staying informed. In conversational settings, it often means to maintain the same speed or pace, as in "It's hard to keep up with him while walking." In more informational contexts, it can mean staying informed, like "I try to keep up with the news every day." Additionally, "keep up" can also refer to maintaining the condition of something, as in "She keeps up her garden beautifully." Its flexibility makes it applicable across different situations, but its informal connotation is most apparent in friendly or casual exchanges. It is a versatile expression that implies continuity and vigilance in various activities or instances.
B1
PreIntermediate
1. To maintain a pace or level; to not fall behind.
She walks so fast, I can barely keep up with her.
He's been working hard to keep up with his studies.
2. To continue doing something consistently.
I need to keep up my running routine to stay fit.
If you keep up this effort, you'll succeed in your goals.
3. To be informed about recent events or developments.
I try to keep up with the news every morning.
She likes to keep up with the latest technology trends.