It's very different to what I'm used to.
這與我所習慣的大不相同。
We're used to the noise from the traffic now.
現在我們已經適應車輛往來的噪音了。
All I know is that she used to work in a bank.
我只知道她曾在銀行工作過。
Things ain't what they used to be.
現在情況不比從前了。
You used to see a lot of her, didn't you?
你過去常見她吧？