have a rare old time idiom
mainly UK old-fashioned极其开心;非常惬意
to enjoy yourself very much
We went on a tour of the city's bars and had a rare old time. 我们在城中逛了一家又一家酒吧，喝得痛快极了。
UK old-fashioned困难重重；非常艰难
to have difficulty
We had a rare old time trying to get tickets. 我们买票费了九牛二虎之力。