难怪 / 怪不得 nánguài / guàibude

难怪 / 怪不得（nánguài / guàibude）means “难怪 / 怪不得: no wonder; that explains it (realizing the cause)”. 难怪 and 怪不得 are interchangeable and mean 'no wonder'. Formation: 难怪/怪不得 + 小句（，原来 + 原因）

难怪 / 怪不得: no wonder; that explains it (realizing the cause)

HSK5

Formation

难怪/怪不得 + 小句（，原来 + 原因）

Explanation

难怪 and 怪不得 are interchangeable and mean 'no wonder'. The speaker has just learned a reason and suddenly understands a puzzling fact: 'so THAT's why…'. The clause after it states what is no longer surprising; the discovered cause is often introduced by 原来. Both go at the front of that clause.

Examples

难怪 他不高兴，原来被老师批评了。
nánguài tā bù gāoxìng, yuánlái bèi lǎoshī pīpíng le.
No wonder he's upset — turns out the teacher criticized him.
下雪了，怪不得 这么冷。
xià xuě le, guàibude zhème lěng.
It's snowing — no wonder it's so cold.

Note

得 is neutral tone (guàibude). Often with 原来: 难怪…，原来….

FAQ

难怪 / 怪不得 — what does it mean and how is it used?

难怪 / 怪不得: no wonder; that explains it (realizing the cause). 难怪 and 怪不得 are interchangeable and mean 'no wonder'. The speaker has just learned a reason and suddenly understands a puzzling fact: 'so THAT's why…'. The clause after it states what is no longer surprising; the discovered cause is often introduced by 原来. Both go at the front of that clause.

难怪 / 怪不得 — how do you form it?

难怪/怪不得 + 小句（，原来 + 原因）

难怪 / 怪不得 — any usage notes?

得 is neutral tone (guàibude). Often with 原来: 难怪…，原来….

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