Most children do until they're five or six years old.

很多孩子都会这样知道他们是5岁或者六岁。

youdao

I personally didn't take Bodypainting seriously for five or six years.

我自己五六年没有认真对待人体绘画。

youdao

Women generally live five or six years longer than men, for reasons yet to be fathomed.

一般女性总是比男性多活五到六年，原因还不得而知。

youdao

The professor said it probably died at an early age, living only about five or six years.

VOA: special.2009.10.13

A Life of Her Own is a book that I became obsessed with, oh, about five or six years ago.

她的人生》是一本让我着迷的书,大概五六年前

耶鲁公开课 - 1871年后的法国课程节选

I've been taking the train for the past, say, give and(or) take six years and I've always loved it.

我以前一直坐火车，大约6年里都乘坐它，我一直很喜欢它。

方便的欧洲之星 - SpeakingMax英语口语达人

And, we've seen how Google has grown exponentially in the last five or six years.

NPR: Opinion Page: Network Neutrality on the Internet

"A gas turbine eats up its insides after five or six years, " Immelt explains.

FORBES: Magazine Article

We were willing to go the next five or six years to make that successful.

CNN: 'Mr Hotmail' seeks new challenges