step up

英 [step ʌp]

美 [step ʌp]

增加（数量）; 提高（速度、强度等）

柯林斯词典

PHRASAL VERB 增加(数量等);提高(速度、强度等)
If youstep upsomething, you increase it or increase its intensity.
1. He urged donors to step up their efforts to send aid to Somalia...
  他敦促各捐赠方加快速度将援助物资送往索马里。
2. Security is being stepped up to deal with the increase in violence...
  正在加强安保工作以应对日益增多的暴力活动。
3. There are reports of stepped-up fighting in El Salvador.
  有报道称萨尔瓦多的战斗已经升级。

英英释义

verb

increase in extent or intensity
1. The Allies escalated the bombing
Synonym:escalateintensify
speed up
1. let's rev up production
Synonym:rev up
make oneself visible
1. Young people should step to the fore and help their peers
Synonym:come to the forestep forwardcome forwardstep to the forecome out

双语例句

I step up the breathing rate& timing the contraction and relaxation of chest muscles.
我增加呼吸率&调节胸部肌肉的收缩和舒张的速率。
One will help Bhutan, Bangladesh, Nepal, and India step up enforcement.
一个将帮助不丹、孟加拉、尼泊尔和印度加强实施工作。
Her new job is a big step up for her.
新工作对她来讲是上了很大的一个台阶。
We should further promote dialogue and reconciliation and step up the solution of regional hot issues.
我们要进一步促进对话与和解，推动地区热点问题的解决。
The meeting ended with a pledge to step up cooperation between the six states of the region.
会议以承诺加快这一地区六国间的合作而结束。
I evaluate all this and start sending out impulses to step up production of gastric juices and saliva.
我核计了这一切，开始传出搏动以加快生产胃液和唾液。
We'll do all we can to step up our aid to our fraternal countries.
我们将尽力加强对兄弟国家的援助。
I was to step up front and center to help you out.
我来中心是要帮助你的。
Government reforms to gas pricing models for exploration and production companies have encouraged them to step up their activities.
政府对勘探及生产企业天然气定价模式的改革，鼓励了这些企业加紧勘探及生产活动。
But imagine that she should step up and down the two floors of steep stairs everyday.
想像一下，她每天要上下两个楼层陡峭的楼梯。