形容词unreasonable
形容词
1. Our mother was always very reasonable.
我们的母亲总是非常通情达理。
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。