keep up (2)
Meaning: If you keep up with someone, you stay at the same level and don't fall behind them.
- keep up Rafael can run very fast. When we go running together, it's hard for me to keep up.
- keep up with sb Jimmy takes a long time to learn new things, and sometimes he can't keep up with other kids in his class.
If you keep up with someone in a race, you
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Contributor: Matt Errey