step up

US /step ʌp/
UK /step ʌp/
"step up" picture
1.

加紧, 提高, 加快

to increase the amount, speed, or intensity of something

:
We need to step up our efforts to meet the deadline.
我们需要加紧努力以赶上截止日期。
The company decided to step up production to meet demand.
公司决定提高产量以满足需求。
2.

挺身而出, 承担责任, 采取行动

to take action when there is a need or problem

:
It's time for you to step up and take responsibility.
是时候你挺身而出并承担责任了。
When the team was struggling, the captain really stepped up.
当球队陷入困境时,队长真的挺身而出了。