所詮

1. Origins, structure, and basic meaning

• Structure: 所詮, read しょせん, adds the judgment that something ultimately amounts to only so much.
• Basic usage: It is used to dismiss a rumor or describe the limits of what one person can do.
  • 所詮うわさにすぎないので気にしなくていい。

2. Common pitfalls and similar expressions

• The speaker's attitude compared with 結局
  • 結局 can state a final outcome relatively neutrally, while 所詮 often carries a dismissive or resigned tone.