左右

1. Origins, structure, and basic meaning

• Structure: 左右(さゆう) names the left and right together.
• Basic usage: It describes positions on both sides; 左右する can also mean to influence an outcome.

2. Common pitfalls and similar expressions

• Position versus influence
  • 舞台の左右 refers to the left and right sides of a stage.
  • 結果を左右する describes an influence that affects how a result turns out.