不知不觉bùzhī-bùjuéunconsciously; unwittingly; without being awareHSK 7-9Pronunciationbùzhī-bùjuéExample sentence不知不觉他已经走到门口了。Bùzhī-bùjué tā yǐjīng zǒu dào ménkǒu le.Before he knew it, he had already walked to the door.Read and choose an answerOne fixed sampleExplore a sample