Her over-confident attitude was a cover for her nervousness.

Please cover the jar with a cover.

请用盖子把瓶子盖上。

The jewellery firm is just a cover for its illegal trade in diamonds.

这家珠宝公司不过是进行非法钻石交易的幌子。

Protect your trailer hitch by using the ball as a cover.

用旧网球作盖子，保护你的拖车挂钩。

They claim that they have nothing to hide.

他们声称他们没什么可隐瞒的。

He found it difficult to hide his disappointment when she didn't arrive.

她没有来，他感到很难掩饰自己内心的沮丧。

The girl dodged behind a tree to hide from the other children.

这女孩闪身躲到树后不让其他孩子看见。

I have never tried to hide the truth about my past.

我从未设法隐瞒我的过去。

The report was a device used to hide rather than reveal problems.

这份报告不是揭露问题而是为掩盖问题而耍的花招。

He tried to hide his obvious pleasure from the music teacher, who had wandered over to listen ．

音乐老师来回踱步地听着，他试图隐藏自己的开心。

Another way to hide a message is to use symbols to stand for specific letters of the alphabet ．

另一种隐藏消息的方法是使用符号来表示字母表中的特定字母。

We did not even make enough money to cover the cost of the food.

我们挣的钱甚至无法糊口。

They agreed to cover the entire building in solar panels.

他们就用太阳能电池板覆盖整栋大楼达成一致。

Get everything in writing in order to cover your back.

一切都要立字为据，以绝后患。

One reason doctors take temperatures is to cover themselves against negligence claims.

医生测量体温的一个原因是免得被指玩忽职守而遭受索赔。

He always reads the paper from cover to cover.

他总是把报纸从头到尾全看一遍。

He laughed to cover his nervousness.

他哈哈大笑以掩饰紧张的心情。

The cocoa industry dwindled because it became increasingly difficult to cover costs

由于越来越难以收回成本，可可产业日渐衰落。

Your parents will have to cover your tuition fees.

你的父母得支付你的学费。

He had attempted to cover his tracks by making her death appear like suicide.

他使她的死亡看起来像是自杀，企图以此掩盖自己的罪行。

We each put £ 20 in the kitty to cover the bills.

我们每人凑20英镑支付账单。