英语用twice表示两倍，两倍以上都用基数词加times构成。下面是常用的表示倍数的句型：
A+ be+ times +as 形容词的原级as B A比B多几倍
如：
My house is twice as big as yours.我的房子比你的房子大两倍
My books are three times as many as yours. 我的书比你的书多三倍。
"A is n times as large as B" 的意思是"A 的大小是 B 的 n 倍" 或 "A 比 B 大 n-1 倍" - 英语常见问题解答大词典
This airplane flies two times as fast as that one. 这架飞机的飞行速度是那架飞机的两倍。or 这架飞机的飞行速度比那架快一倍。
He has five times as many books as you. 他拥有比你多五倍的书。
He is twice as strong as he was. 他比以前强两倍了。
I have three times as much as I want. 我所拥有的比我所需要的多两倍。
I wish I had twice his strength. = I wish I was twice as strong as he. 我真希望我的力量比他的大一倍。
They want at least to double their salaries. = They want at least twice as much as they now earn.
You’re not half as clever as you think you are. 你远不是自己想象的那么聪明。
I’m not going out with a man who’s twice as old as me. 我才不会跟一个年龄比我大一倍的男人约会呢。
It took three times as long as I expected. 这件事花的时间是我预计的三倍. = It took three times longer than I expected.省略
The train takes 40 minutes. By car it'll take you twice as long. 火车需要40分钟。要是开车去，要花两倍的时间。
I used to think he was clever. Now I'm not so sure.
(ADV) 两倍;强(或好、难)得多 If one thing is, for example, twice as big or old as another, the first thing is two times as big or old as the second. People sometimes say that one thing is twice as good or hard as another when they want to emphasize that the first thing is much better or harder than the second.
It made the story twice as interesting and it made them twice as afraid.
Link to original
Don’t forget that he pays twice as much as Queen Elizabeth did(paid)—and sees twice as many plays(as Elizabeth did(see)).
In American, where half the drivers are women, there are five or six times as many accidents caused by men as by women.
as many
— used to talk about or compare amounts 用于谈论或比较数量
She read as many books as she could. [=she read the largest number of books possible]
她尽可能多地读了一些书。
She read three times as many books as he did. [=she read three times more books than he did]
她读的书是他的三倍多。
We saw three plays in as many days. [=we saw three plays in three days]
我们三天时间里看了三场剧。
She wrote five books in as many years.
她五年时间里写了五本书。
changing his mind for the third time in as many months.
在3个月内他第三次改变了主意。
It’s the second time in as many weeks that someone has asked me to play a zombie in a film or show.
The firm backed down and decided to give the pub its third name in as many weeks.
This is the fourth time in just about as many months that the glass has been smashed by vandals.
Vale kept up the pressure and two goals in as many minutes put them firmly in the driving seat. It is the second time a poll on the matter has been called for in as many months.
There were as many of them as there were of us and for a while it seemed pretty laid back.
From Cnidos you could tick off three of the wonders of the world in almost as many days.
This is the third time we have met in as many months, but there is always a lot to talk about.
It is the third time in as many years that ownership of the prime precinct has changed.