Lǎorén / huíyì / guòqù / de / kǔnàn / , / liǎn / shàng / lùchū / bēi / suān / de / shénsè / 。

老人回忆起过去的苦难，脸上露出悲酸的神色。

The old man showed a bitter and sad expression on his face as he recalled the hardships of the past.