1 sentence

1. 他在晚年决定禅位于皇太子，自己退居二线。

   tā zài wǎn​nián jué​dìng shàn​wèi yú huáng​tài​zǐ, zì​jǐ tuì​jū èr​xiàn.

   In his later years, he decided to abdicate the throne to the crown prince and retire from active duty.

   Source: Dong Chinese Dictionary