一、used to 意为“曾经”，用于过去持续或经常发生的事，后面跟不带 to 的不定式，例如：
I used to live in Cardiff.
我以前住在加的夫。
He used to smoke, but he doesn’t smoke any more.
他以前抽烟，但现在不抽烟了。
I didn’t use to eat oysters but now I love them.
我以前不吃牡蛎，但现在我喜欢吃了。
Did you use to climb trees when you were a child?
你小时候常爬树吗？
二、be used to 表示习惯于某事，对某事很熟悉或不陌生，而 get used to 表示变得习惯于某事，它们后面跟名词或动名词，它们有时态的变化，例如：
be used to:
I am used to lots of noise.
我习惯了很多噪音。
I am not used to being lied to.
我不习惯被人骗。
Are you used to cooking?
你习惯做饭吗？
When we lived in Bangkok, we were used to hot weather.
当我们住在曼谷时，我们习惯了炎热的天气。
I have been used to snakes for a long time.
我已经习惯蛇很久了。
You will soon be used to living alone.
你很快就会习惯独居了。
get used to:
It took them a long time to get used to their new boss.
他们花了很长时间才习惯新老板。
Have you got used to driving on the left yet?
你习惯在左边开车了吗？
She is getting used to waking up early for her new job.
她已经习惯了为新工作而早起。
You quickly get used to using the brakes.
你很快就会习惯使用刹车的。
This is how we do things here. You'll soon get used to it.
我们这里就是这么做事的。你很快就会习惯的。
be used to 和 get used to:
When he started his new job as a postman, he found it very hard to begin work at 4 a.m. It took him a few weeks to get used to waking up so early, but he is used to it now, and in fact he now loves the early mornings!
当他开始做邮递员的新工作时，他发现凌晨4点开始工作非常困难。他花了几个星期才习惯这么早起床，但他现在已经习惯了，事实上，他现在喜欢清晨！
When I first moved to London, I had to get used to living in the city because I grew up in the countryside. I am used to living here now, but it took me quite a long time to get used to it.
当我第一次搬到伦敦时，我不得不习惯于住在城市里，因为我是在乡下长大的。我现在习惯了住在这里，但我花了很长时间才习惯。
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