hɪz lˈeɪɾɚɹ ˈɪntɹɛst ɪn ˌɪntɹədˈuːsɪŋ kɹˌɪstɪˈænᵻɾi ˌɪntʊ tʃˈaɪnə, lˈɛd tə fəmˌɪliˈæɹᵻɾi wɪð tʃaɪnˈiːz slˈeɪvɚɹi ænd ˈoʊpiəm ɐdˈɪkʃən.
His later interest in introducing Christianity into China, led to familiarity with Chinese slavery and opium addiction.