Tā / tuìxiū / hòu / réngrán / huóyuè / zài / xìngtán / jìxù / zhǐdǎo / niánqīng / jiàoshī

他退休后仍然活跃在杏坛，继续指导年轻教师。

Even after retiring, he remains active in education and continues to mentor young teachers.