俗语 (sú yǔ): Colloquialism (Noun) — Meaning & Stroke Order

Can you explain the cultural meaning behind this colloquialism?

Using colloquialisms in daily conversation can make the dialogue appear more vivid and friendly.

He does not believe this colloquialism applies to all complex social situations.

Although this colloquialism has been passed down for a long time, the wisdom it contains is still worth pondering today.