英汉词典

1. 非常感兴趣的;热心的;热情的
    If you are enthusiastic about something, you show how much you like or enjoy it by the way that you behave and talk.

enthusiastic的反义词

    e.g. Tom was very enthusiastic about the place...
           汤姆对那个地方非常感兴趣。
    e.g. Bob Dole seemed less than enthusiastic about the proposed move.
           鲍勃·多尔似乎对提议的这项行动不太感兴趣。