bìng / rén / chū / yuàn / qián / zhǔ / zhì / yī / shī / xiáng / xì / shuō / míng / le / yòng / yào / zhù / yì / shì / xiàng病人出院前,主治医师详细说明了用药注意事项。Before the patient was discharged, the attending physician explained the medication precautions in detail.