lǐ理reasonsuǒ所bydāng当shouldrán然so
As a matter of course; inevitable and right; taken for granted.
Literal meaning
reason (理) — by (所) — should (当) — so (然)
Origin
A classical four-character phrase indicating something is natural and expected.
Examples
Fù父mǔ母ài爱hái孩zi子shì是lǐ理suǒ所dāng当rán然de的。
It is only natural for parents to love their children.
Nǔ努lì力gōng工zuò作shì是lǐ理suǒ所dāng当rán然de的。
Working hard is a matter of course.
Usage & nuances
Describes something that is considered normal, expected, and justified.
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