乃nǎithus; so; thereforeHSK 7-9PronunciationnǎiExample sentence此事事关重大,乃不可草率决定。Cǐ shì shì guān zhòngdà, nǎi bù kě cǎoshuài juédìng.This matter is of great importance, so it cannot be decided rashly.Read and choose an answerOne fixed sampleExplore a sample