Is it difficult being a single mother?

Single parents cope heroically in doing the job of two people.

单身父母扮演双亲的角色非常辛苦。

They were leery about investing in a company controlled by a single individual.

把资金投向一个由一人独自操控的公司，他们不大放心。

The revenue from tourism is the biggest single item in the country's invisible earnings.

旅游业收入是该国无形收益当中最大的一项。

We were walking in single file to the lake.

我们正排成一列朝湖边走去。

A lorry can drive up to 600 miles on a single tank of fuel.

大卡车只用一箱油就能行驶600英里。

Most single parents are either divorced or separated.

大多数单身父母要么离婚了要么分居了。

He was killed by a single shot from an unseen soldier.

一个埋伏的士兵一枪就把他打死了。

He sent her a single red rose.

他送给她一支红玫瑰。

When will the single currency be operable?

什么时候实行单一货币？

She had a brainstorm in the exam and didn't answer a single question.

她考试时脑子里突然一片混乱，一个题也没答。

Even outstanding musicians require constant practice.

既使是好乐师也需经常练习.

The surface cratered with the constant dropping of water.

表面因经常滴水而成坑.

The distortion of form is a constant in his painting.

曲线型是他绘画的一贯特点.

The market is in a constant state of flux.

市场行情在不断变化.

He laboured under the constant misapprehension that nobody liked him.

他总是误认为没有人喜欢他.

In our world nothing seems constant.

在我们这个世界上似乎没有东西是永恒不变的.

Every member of the organization should be constant to its regulations.

这组织的成员都得遵守规则.

Constant rejection has sapped her will.

不断的被拒绝逐渐使她丧失了信心.

Even great musicians require constant practice.

即使是伟大的音乐家也需要不断的练习.

The seeing eye dog was the blind man's constant companion.

导盲犬是盲人的忠实伙伴.