yī / shēng / jiàn / yì / tā / zài / zhuān / yè / zhǐ / dǎo / xià / jiē / shòu / měi / shā / tóng / zhì / liáo医生建议他在专业指导下接受美沙酮治疗。The doctor recommended that he receive methadone treatment under professional supervision.