2 sentences

1. 昔先生经常去北京出差。

   Xī xiān​sheng jīng​cháng qù Běi​jīng chū​chāi.

   Mr. Xi often goes to Beijing on business trips.

   Source: Dong Chinese Dictionary

2. 昔日繁华不再。

   xī rì fán​huá bù zài.

   The prosperity of the past is gone.

   Source: Dong Chinese Dictionary