同一个

• one and the same
• the same that

例句

1. 他正试图用不同节奏演奏同一个曲子。
   He is trying to play the same tune in a different rhythm.
2. 我们住在同一个街区。
   We live on the same block.
3. 那时我们在同一个班。
   We were both in the same class.