top sth / sb ↔ up especially BrE1. to add more liquid to a container that is partly full注满〔半空的容器〕:•I'll just top up the coffee pot.我把咖啡壶倒满就好。2. to put more drink in someone's glass or cup after they have drunk some给〔某人的杯子〕加满:•Can I top you up?我给你的杯子加满好吗？3. to increase the level of something slightly so as to bring it back to the level you want补足，将…增加到所需之量:•He had to do extra jobs at the weekend to top up his income.他不得不在周末另外打工来补贴收入。⇒TOP-UP |