年岁使他衰颓。

His years weigh him down.

他的胸脯上下起伏，身子也好象衰颓了。

His chest heaved and his body seemed to droop.

晚年的悼友诗贵隐括，带着一层衰颓的色彩。

In his late years, his poetry of mourning for friends were blurry with waning color.