Even great musicians require constant practice.

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

导盲犬是盲人的忠实伙伴.

I am weary of his constant complaints.

我对他不断发牢骚感到厌烦.

Her constant nagging provoked him.

她不断地唠叨激怒了他.

I'm tired of your constant complaints; go away and leave me in peace!

我讨厌你老是抱怨; 走开,让我安静点!

Salaries are kept under constant review.

薪金问题要一直不断审订.

In history, change is constant.

在历史上, 变化是不断的.

Rosa's constant refrain is that she doesn't have a life.

罗莎总是重复的一句话就是她没有像样的生活。

The capital is still under constant bombardment by the rebel forces.

首都仍在遭受叛军的持续轰炸。

Since 1993 OPEC, the oil cartel dominated by Saudi Arabia, has kept its output constant at around 25m barrels a day.

自1993年以来，由沙特阿拉伯主导的石油输出国组织欧佩克就一直将石油产量控制在每天2,500万桶左右。

My life has been music, and a constant search for it has been the mainspring of my life.

我以音乐为生，对音乐的不懈探索已经成为我生活的动力。

Throughout the house, the views are a constant source of surprise and delight.

从房子各处看到的景色不断给人以惊奇和欣喜。

He would have a nurse in constant attendance day and night.

会有一位护士日夜不间断地陪护着他。

He lives in constant fear of assassination.

他一直提心吊胆，害怕被人暗杀。

An automatic voltage regulator ensured a constant output from the generator.

一个自动电压调节器保证了发电机电流输出的稳定。

Constant wheelchair use will scuff almost any floor surface.

任何地板上经常有轮椅走动几乎都会有所磨损。

The police are keeping the suspects under constant surveillance .

警方正对嫌疑人实施不间断监视。

The sheer size of the cathedral is a constant reminder of the power of religion.

大教堂的宏大规模使人时刻领略到宗教的威严。

Constant criticism is enough to demoralize anybody.

频繁的批评足以使任何人意志消沉。

Fear was the hostages' constant companion.

人质一直都感到恐惧不安。

His constant joking was beginning to annoy her.

他不停地开玩笑，已开始惹她生气。