step up
US /step ʌp/
UK /step ʌp/
1.
to increase the amount, speed, or intensity of something
:
•
We need to step up our efforts to meet the deadline.
•
The company decided to step up production to meet demand.
2.
to take action when there is a need or problem
:
•
It's time for you to step up and take responsibility.
•
When the team was struggling, the captain really stepped up.