adj.合理的；通情達(dá)理的；公平適度的

All you need is reasonable doubt. 你所需要的是合理懷疑。

You are fortunate to have such a reasonable father. 你有這樣一位通情達(dá)理的父親，真是幸運。

My mother was always reasonable. 我母親一向通情達(dá)理。

At first sight their demands seemed reasonable. 乍看之下,他們的要求似乎公平合理。

adj.不合理的；過度的；不切實際的

n.合理性；妥當(dāng)

adj.叛逆的；謀叛的；不忠的