No wonder with 怪不得

Structure 怪不得 + (what now makes sense)

怪不得 (guàibude) expresses that, once you know the reason, something stops being surprising: "no wonder…". 下雪了，怪不得这么冷 = "it snowed; no wonder it’s so cold". It usually follows learning the cause, heading the now-understood result.

Examples

怪guài不bù得de他tā不bù高gāo兴xìng。
No wonder he’s upset.
下xià雪xuě了le，怪guài不bù得de这zhè么me冷lěng。
It snowed—no wonder it’s so cold.
怪guài不bù得de找zhǎo不bù到dào，原yuán来lái在zài这zhè儿r。
No wonder I couldn’t find it—it was here.

Levels are indicative: they follow the standard Chinese Grammar Wiki (AllSet Learning) progression, not an official HSK 3.0 mapping. We never assign levels by eye.

This point and the other 370, with audio on every example, inside Wanyu.