英汉词典

1. （人）公平的，明智的，理智的，有判断力的
    If you think that someone is fair and sensible you can say that they are reasonable.

    e.g. He's a reasonable sort of chap...
           他是个理智的家伙。
    e.g. Oh, come on, be reasonable.
           噢，好了，理智一点。