Must use
必───have to;用───use
We'll have to think of a way to solve the problem.───我们得想个法子解决这个问题.
I can't join you; you'll have to count me out.───我不能来, 别把我算在内.
I shall have to gather myself together to face the whole board of directors.───我得冷静下来以对付整个董事会.
As there's no tea, we'll have to content ourselves with coffee.───既然没有茶, 我们只好喝杯咖啡算了.
In American football, you have to try to bring down your opponent.───在美式橄榄球赛中, 你必须设法把对手弄倒在地.
Nurses have to wear a uniform.───护士必须穿制服。
The door won't fit ; you'll have to file it down.───这门关不上, 你得把它锉一锉.
I've laid the fire in the hearth, all you have to do is to put a match to it.───我已在火炉里放好木柴,作好了生火准备, 你只要把它点燃就行了.
Sometimes you have to be your own hero.
We have to strive for what we want.
We all have to make a choice.
You have to believe in yourself.That's the secret of success.
I'm sorry, but I have to cancel my reservation.