tā / tuìxiū / hòu / qiánxīn / yánjiū / dìfāng / xìqǔ / zhěnglǐ / chū / yī / tào / zhēnguì / de / zīliào

他退休后潜心研究地方戏曲，整理出一套珍贵的资料。

After retiring, he devoted himself to researching local opera and organized a valuable collection of materials.