难怪

難怪

nánguài

adverb HSK 7-9 #4,424

Meanings

难怪他考得那么好，原来他每天都复习。

Nánguài tā kǎo de nàme hǎo, yuánlái tā měitiān dōu fùxí.

No wonder he did so well on the exam — he reviewed every day.

难怪这么冷，窗户没关。

Nánguài zhème lěng, chuānghu méi guān.

No wonder it's so cold — the window isn't closed.

memory

难 (hard) + 怪 (to blame/find strange) = hard to find strange, i.e., "no wonder" — it makes total sense now.

grammar

难怪 is placed at the beginning of the clause expressing the result, while the reason usually follows with 原来.

难 nán

怪 guài