Mars is half the size of Earth.

Your camera is only half the size of mine.

She earns half as much money as her husband.

Germany is about half the size of Texas.

She earns half as much money as her husband.

On the contrary, there will be less than half as many, not more than 700 in total.

France now has half the number of farmers it had 20 years ago.

Women would still be working only half as much as men outside the home.

Double the dose.

Double the dose.

Since almost all skills are based on Dexterity or Intelligence, those attributes are twice as expensive (or yield twice the points, if purchased below 10).

The meeting is held twice a month.

The committee meets twice a month.

You are twice as strong as I.

You are twice as strong as I.

I've been to Paris twice.

I've been to Paris twice.

I'm twice your age.

He has been to England twice.

Tom puts gas in his car twice a week.

He is twice as old as she is.

He is twice as old as she is.

I was in Kyoto twice.

You are twice as strong as I am.

You are twice as strong as I am.

You are twice as strong as me.

You are twice as strong as me.

You're twice as strong as me.

Tom is twice as heavy as Mary is.

Tom is twice as tall as Mary.

Tom is twice Mary's age.

You're twice as strong as me.

Tom looks half his age.

I've been to Boston twice.

I've been to Boston two times.

You're twice as heavy as I am.

You're twice as heavy as I am.

I'm twice as heavy as you are.

You're twice as old as I am.

You're twice as old as I am.

You're twice as heavy as me.

You're twice as heavy as me.

I'm twice as old as you are.

I'm twice as old as you are.

You're twice as old as Tom.