tā / cái / sì / shí / suì / què / yīn / wèi / cháng / qī / láo / lèi / ér / wèi / lǎo / xiān / shuāi

他才四十岁，却因为长期劳累而未老先衰。

He is only forty, but prolonged exhaustion has made him age prematurely.