keep up (withsb/sth)
—phrasal verbwithkeepverbuk/kiːp/us/kiːp/kept|kept
B2
to do whatever isnecessarytostaylevelorequalwith someone or something
不落后；跟上；（与…）并驾齐驱
Hestartedtowalkfasterand thechildrenhad toruntokeepup.他开始加快脚步，孩子们不得不跑步才能跟上。
Wages arefailingtokeepup withinflation.工资现在跟不上通货膨胀的速度。
- ShewalkssofastI can neverkeepup with her.
- Technologychangessofast, it's hard tokeepup with it.
- Supply of thegoodsisfailingtokeepup withdemand.
- You'll have towalkfasterif youwanttokeepup.
- Hetalkssofast, I can'tkeepup with what he's saying.