内行nèihángexpert; professional; adeptHSK 7-9PronunciationnèihángExample sentence他在这个领域是个真正的内行,提出的建议很值得参考。Tā zài zhège lǐngyù shì gè zhēnzhèng de nèiháng, tíchū de jiànyì hěn zhídé cānkǎo.He is a true expert in this field, and his suggestions are very worth referring to.Read and choose an answerOne fixed sampleExplore a sample