习惯于的英语怎么说

"习惯于"的英语说法是 "used to"。这个短语来源于古英语，它的原意是"习惯于做某事"，后来演变成现在的意思，即"曾经"。下面是一些例句和它们的翻译：
- I used to play basketball when I was a kid. (我小时候常常打篮球。)
- She used to live in New York, but now she lives in Los Angeles. (她过去住在纽约，但现在住在洛杉矶。)
- He used to smoke a lot, but he quit a few years ago. (他过去常常抽烟，但几年前戒掉了。)
- I used to be afraid of dogs, but now I love them. (我过去害怕狗，但现在我喜欢它们。)
- They used to have a small car, but now they have a big SUV. (他们过去有一辆小轿车，但现在有一辆大型SUV。)
总之，"used to"表示过去的习惯或状态，但现在已经改变了。