怪不得 (guài bu de): No wonder (Adverb) — Meaning & Stroke Order

So you didn't sleep well yesterday, no wonder you're so tired today.

No wonder he has been absent-minded lately; it turns out he encountered a thorny family issue.

No wonder this proposal passed smoothly, as it underwent thorough demonstration and extensive consultation.

No wonder you were so tired yesterday, it turns out you worked for a full twelve hours.