by rights

按理说

例句与用法：

He inherited his father by right of his primogeniture.

他凭着长子继承权，继承了他父亲的财产。

The Normans ruled England by right of conquest.

诺曼人征服了英格兰成了统治者。

详细释义：

按理

I shouldn't by rights be at this party at all -- I'm on duty tonight.

我照理不该参加这个聚会, 因为今晚我值班。