理所当然 (lǐ suǒ dāng rán)

as it should be by rights (idiom); proper and to be expected as a matt

Character breakdown

Usage

这理所当然是你应该做的。

as it should be by rights (idiom); proper and to be expected as a matter of course; inevitable and right

zhè lǐ suǒ dāng rán shì nǐ yīng gāi zuò de 。