徒劳túláofutile; in vainHSK 7-9PronunciationtúláoExample sentence他徒劳地试图说服她改变主意。Tā túláo de shìtú shuōfú tā gǎibiàn zhǔyi.He tried in vain to convince her to change her mind.Read and choose an answerOne fixed sampleExplore a sample