Although my mother-in-law is a language teacher in elementary school and my wife speaks Mandarin pretty well, they always speak Cantonese with my son at home, so the task of teaching him Mandarin has fallen to me.
儘管我的岳母是小學語文教師，我內人的國語也講得不賴，可是她們始終不肯開腔在家對我兒子講國語，這項啟蒙重擔，只好由我一力承擔。