When their son-in-law was planning to visit his in-laws at their home for the first time, their daughter told him that according to Chinese custom he should give her parents a cake as a gift.
想不到更引起老先生的不滿情緒。原來洋女婿第一次來拜見泰山大人時，女兒囑咐他，按中國人慣例，請他買個蛋糕做禮物。