愚蠢yúchǔnstupid; foolishHSK 7-9PronunciationyúchǔnExample sentence他犯了一个愚蠢的错误,后悔不已。tā fàn le yī gè yúchǔn de cuòwù, hòuhuǐ bùyǐ.He made a stupid mistake and deeply regretted it.Read and choose an answerOne fixed sampleExplore a sample