"Thirteen?" he guessed wildly.

“十三？”他胡乱猜道。

He ran away from home at the age of thirteen.

他十三岁时离家出走。

Thirteen is often considered an unlucky number.

十三常被认为是不吉利的数字。

During the expedition, they trekked ten to thirteen hours a day.

在探险期间，他们每天都要走十到十三个小时。

Lewis is the author of thirteen novels and ten nonfiction books.

路易斯写了十三部小说和十本纪实作品。

He has clearly not been chastened by his thirteen days in detention.

他显然没有因十三天的拘留而悔过。

Thirteen years ago she found herself having to conjure a career from thin air.

十三年前她认识到自己得白手起家闯出一番事业来。

She was baptized when she was a month old and confirmed when she was thirteen.

她出生一个月时受洗礼，十三岁时受坚信礼。

Thirteen elephants in a line.

十三只大象排成一队。

There are thirteen strawberries.

有十三个草莓。

They are thirteen years old.

他们是十三岁了。

What's thirteen plus forty-five?

十三加上四十五等于多少？

She can't be only thirteen.

她不可能只有十三岁。

I can see thirteen oranges.

我能看见十三只橘子。

Are you twelve or thirteen?

你十二岁还是十三岁？

What's seven plus thirteen?

七加十三等于多少？

These thirteen cards are different.

这十三张牌是不同的。

I am thirteen this year.

我今年十三岁。

Are you thirteen, then?

那么你是十三岁？

My number is thirteen.

我的号码是十三。

Thirteen or fourteen boys are talking.

十三四个男孩子在讲话。

I have thirteen cows.

我有十三头奶牛。

I'm thirteen now.

我现在十三岁了。

What's that? There are thirteen snails in the garden.

那是什么？花园里有十三只蜗牛。

Thirteen, as we well know, is regarded with great awe and fear.

我们都知道，人们对十三这个数字充满敬畏和恐惧。

His thirteen-year-old son somehow got separated in the crush.

他13岁的儿子不知怎么在拥挤的人群里走散了。

No fewer than thirteen foreign ministers attended the session.

不少于13个国家的外长参加了会议。

Thirteen percent of the population live below the poverty line.

该地13%的人口生活在贫困线之下。

There was evidence that thirteen people in all had taken part in planning the murder.

有证据表明总共有13个人参与策划了这起谋杀。