keep pace with somebody

Từ điển Oxford Advanced Learner 8th

keep ˈpace (with sb/sth) idiom
to move, increase, change, etc. at the same speed as sb/sth
•She found it hard to keep pace with him as he strode off.
•Until now, wage increases have always kept pace with inflation.
•The company is struggling to keep pace with changes in the market.
Main entry: ↑pace_idiom