He was questioned by police twice yesterday.

They go there twice a week/month/year .

他们每星期 / 每月 / 每年去那里两次。

…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

an area twice the size of Wales

两倍于威尔士大小的地区

You don't need to be told twice.

不必告诉你两遍.

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。

The government has twice declined to back the scheme…

政府已两次拒绝支持该方案。

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

我跟他不熟悉，只见过两次面。

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。

And it must be in written notice.

而且必须是书面通知.

When we need you help, all you did was sit back and twiddle you thumbs.

在我们需要你帮助的时候, 你却闲坐一旁抚弄你的大拇指.

He twiddled a knob on the dashboard...

他转动着仪表板上的一个旋钮。

I sit twiddle my thumb wait for him to finish using the phone.

我坐著无聊地旋弄拇指,等候他用完电话.

a twiddle of the knob

转动一下旋钮

Let's go – there's no point in sitting here twiddling our thumbs.

我们走吧——坐在这儿干等没有用。

twiddles on the clarinet

单簧管的装饰音

She was twiddling the ring on her finger.

她摆弄着手指上的戒指。

E . g . I have got to be busy, I can't sit down and twiddle my thumbs.

我总得做些事情, 不能这样无所事事下去.

Clutches should be dangled and chain handles should be twiddled around your fingers.

还有,你应该将那种无带皮包的手链绕在手指上,让皮包挂在那里.

I just sat there and twiddled my thumbs while he wrote the report.

他写报告时,我坐在那里闲得无聊.

He twiddled his thumbs while waiting for the interview.

等待面试时,他不停地玩弄手指.