twice

The new airplane flies at twice the speed of sound.

这架新式飞机以两倍于音速的速度飞行.

I was absent once or twice.

我曾缺席一两次.

He was pinned against the fence by a boy twice his size; he could hardly breathe.

他被一个身材两倍于他的男孩按在篱笆上, 喘不过气来.

You shall not serve me that trick twice.

不许你再像那样捉弄我了.

They had to fight with a force twice their number.

他们不得不同两倍于他们的敌人作战.

Refuse is collected twice a week.

垃圾每周收两次.

In the face of a severe crisis relating to international reserves, the government devalued the currency twice.

面对国际储备的严重危机, 政府实施了两次货币贬值.

To ensure a good crop the soil had to be turned over twice.

要保证收成好,地要翻耕两遍.

The houseboy comes to mop our kitchen floor twice a week.

男仆每周两次到我家来拖洗厨房地板.

She'd better shut her mouth and from now on think twice before saying stupid things.

她最好闭上嘴巴，而且今后在说出蠢话之前先过过脑子。

Ten is twice as much as five.

十是五的两倍.

This famous horse race has taken place here twice a year since 1310.

这一著名的赛马比赛自1310年以来每年在这里举行两次。

This room is twice the size of that one.

这间屋子有那间两个大.

The teacher explained twice in succession.

教师连着讲了两遍.

The figure of seventy-million pounds was twice as big as expected.

7,000万英镑的金额是预期的两倍。

The fields have been ploughed twice.

地已犁了两遍.

And it must be in written notice.

而且必须是书面通知.

There was enough of the drug in her stomach to kill her twice over.

她胃中的药物足够毒死她两次的。

I don't know him well; I've only met him twice.

我跟他不熟悉，只见过两次面。

The government has twice declined to back the scheme…

政府已两次拒绝支持该方案。

He visited me twice that fall and called me on the telephone often...

那年秋天他来看过我两次，而且经常给我打电话。

You don't need to be told twice.

不必告诉你两遍.

an area twice the size of Wales

两倍于威尔士大小的地区

…a report claiming that teachers could be twice as effective if they returned to traditional classroom methods.

声称教师若重新采用传统课堂讲授方法，授课效果会事半功倍的报告

They go there twice a week/month/year .

他们每星期 / 每月 / 每年去那里两次。

He was questioned by police twice yesterday.

他昨天被警察审问了两次。

Cats sleep twice as much as people.

猫睡觉的时间比人长一倍。

a twice-monthly/yearly newsletter

半月 / 半年刊的简讯

At 56 he's twice her age.

他56岁，年龄比她大一倍。

I phoned twice a day, leaving messages with his wife...

我每天打两次电话，托他妻子捎口信。