We should step up the development of infrastructure for research.

The teacher called Dabao to step up the platform.

老师叫大宝走上讲台.

As new orders keep pouring in, the workers are working three shifts to step up production.

因新的订单源源而来, 工人们正三班工作加速生产.

Chavez wants to take a step up in competition.

小查韦兹想提高今后比赛的挑战性.

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.

You have to step up your pace.

你得加快步伐.

He would shake it off and take a step up.

他把身上的土抖下来，踩在脚下。

'Step up, lad,'cried Silver.'I won't eat you.

“ 过来吧, 伙计, ”希尔弗大声说, “ 我又不会吃了你.

When do you get your next step up? ie When will you be promoted?

你何时晋级?

The company had step up production of the latest model.

公司已增加了最新型产品的生产.

Husband and wife are now taxed separately on their incomes...

现在夫妻双方分别按各自的收入纳税。

Overcrowding has taxed the city's ability to deal with waste...

人口过多使得城市的垃圾处理能力达到了极限。

The problem is currently taxing the brains of the nation's experts (= making them think very hard) .

目前这个问题使得全国的专家大伤脑筋。

He already pays 40% tax on his income.

他的收入已经要缴40%的税了。

His declared aim was to tax the rich.

他宣布他的目的是向富人征税。

It shouldn't tax your brain too much.

这个应该不会太费脑筋。

...the government's commitment to simplifying the way companies are taxed...

政府简化公司纳税手续的承诺

The car is taxed until July.

这辆汽车的牌照税缴纳到了七月。

I taxed him with avoiding his responsibility as a parent.

我指责他逃避做父亲的责任。

profits before/after tax

税前 / 税后利润

The questions did not tax me.

那些问题没有让我费脑筋。