zhè wèi / kē xué jiā / tiān bù jiǎ nián / wèi néng / wán chéng / tā / de / yán jiū / jiù / qù shì / le

这位科学家天不假年，未能完成他的研究就去世了。

This scientist passed away before he could finish his research, as heaven did not grant him a long life.