2 sentences for 微 (wēi — decline)

1. 到了晚年，他的家道中微。

   dào le wǎn​nián, tā de jiā​dào zhōng wēi.

   In his later years, his family's fortunes declined.

   Source: Dong Chinese Dictionary

2. 他虽然出身寒微，但一直非常勤奋。

   tā suī​rán chū​shēn hán wēi, dàn yī​zhí fēi​cháng qín​fèn.

   Although he came from a humble background, he has always been very diligent.

   Source: Dong Chinese Dictionary