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How to say “He/she really knows their stuff” in Khmer

គាត់ចេះណាស់
koat jeh nah
Pronunciation (IPA): /koat ceː nah/
Word by word: he/she + know-how/can + very
💡 ចេះ (jeh) means 'knows how to' or 'can' — specifically knowing a skill or having ability. Different from ដឹង (dɨŋ, knowing a fact). Saying someone ចេះណាស់ is a genuine compliment to their competence. Often used for cooking, driving, fixing things, negotiating.

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