ramp up

Từ điển Oxford Learners Wordfinder Dictionary

verb

bolster or strengthen
- We worked up courage
- build up confidence
- ramp up security in the airports
• Syn:
build up, work up, build
• Hypernyms:
increase
• Verb Group:
build up, work up, build, progress
• Verb Frames:
- Somebody ----s something
- Something ----s something