wˈɪlʌfbi wʌz ɪnvˈaɪɾᵻd æz ɐ ɡˈɛst lˈɛktʃɚɹɚ tə tʃˈaɪnə wɛn hiː ɹᵻspˈɑːndᵻd tʊ ɐ ɹᵻkwˈɛst fɹʌmðə tʃaɪnˈiːz ɡˈʌvɚnmənt ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvəntˌiːn tʊ ɐsˈɪst æz ɐ kˌɑːnstɪtˈuːʃənəl ænd lˈiːɡəl ɐdvˈaɪzɚ fɚɹə pˈiəɹɪəd ʌv wˈʌn jˈɪɹ.
Willoughby was invited as a guest lecturer to China when he responded to a request from the Chinese government in 1917 to assist as a constitutional and legal advisor for a period of one year.