step up 英[step ʌp] 美[step ʌ枯返樱p]
[词典]
动词
1.走上
2.(使)增加,(使)加快速度
3.走上前去
英没丛语解释
make oneself visible; take action
increase in extent or intensity
speed up
[例句]Investors have to step up and assume more responsibility for their assets.
投资者必须采取行动,为他们的投资承担更多责世扒任。