从事cóngshìto engage in; to undertake; to be engaged in (work, activity)HSK 5PronunciationcóngshìExample sentence他从事教育工作已经二十年了。tā cóngshì jiàoyù gōngzuò yǐjīng èrshí nián le.He has been engaged in education for twenty years.Read and choose an answerOne fixed sampleExplore a sample