难怪 (nán guài): No wonder (Adverb) — Meaning & Stroke Order

No wonder he is so proficient in classical literature; it turns out his grandfather is a renowned scholar.

No wonder the meeting was postponed; could it be because the key documents aren't ready yet?

No wonder he's so happy, it turns out he got full marks on the exam.

No wonder she's always late recently, it turns out her home is far from the company.