lˈuː bɪɡˈæn tə tˈɜːn hɪz dɪvˈoʊʃən ʌv ɹᵻsˈɜːtʃ ˌɪntʊ ðə tʃaɪnˈiːz lɪŋɡwˈɪstɪks, ænd pˈʌblɪʃt vˈɛɹiəs pˈeɪpɚz bɪɡˈɪnɪŋ ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi nˈaɪn.
Lu began to turn his devotion of research into the Chinese linguistics, and published various papers beginning in 1939.