Tom ate twice as much as I did.
He hit me twice.
He kicked me twice.
I could hardly make out half of what she'd said, she was hurrying to share the obtained information. I had to listen twice.
If I were you, I wouldn't think twice — but thrice.
I phoned you twice last night, but your line was busy.
Mail delivery here is twice a day.
Tom feeds his dog twice a day.
Tom is twice Mary's age.
Tom teaches me French twice a week.
You don't have to tell me twice.
I swim once or twice a week.
I've already explained it to you twice.
No one can step twice into the same river.
Tom was shot twice in the chest.
You are twice as strong as me.
You are twice as strong as I am.
I went twice to Beijing and once to Shanghai.
Even a broken clock is right twice a day.
He is twice as old as I am.