My car’ s working fine now. 我的汽车现在开起来很好。

Don’ t worry if you can’ t work as quickly as the others - you’ re doing fine. 你如果不能干得和别人一样快，不要担心——你干得很不错。

do (sb) fine (=be enough for someone) A bowl of soup will do me fine. （对某人来说）足够了