That's rather a difficult question to answer.
I thought he was rather nice.
It was rather strange to invite me and then not come himself.
She answered the telephone rather sleepily.
I can't come because I feel rather sick. (Preliminary English Test; B1; Czech)
I think I'd like coffee rather than tea, if that's okay?
When the weather is to[o] hot to wear jeans, I usually wear a swimsuit rather than shorts. (Preliminary English Test; B1; Spanish)
I'd much rather go out to dinner than stay in and watch TV.
I would rather not tell him.
I'd rather watch something funny, like a sitcom. (Preliminary English Test; B1; Russian)
She'll go shopping on Thursday, or rather, she will if she has to.
The food - or rather, leftovers - that she gave him was barely enough to feed a baby. (First Certificate in English; B2; Chinese)