犠牲

1. Origins, structure, and basic meaning

• Structure: 犠牲, read ぎせい, describes giving up or losing something valuable for another purpose.
• Basic usage: It is used when giving up sleep for convenience or a personal record for the team.
  • 便利さのために睡眠を犠牲にしてはいけない。

2. Common pitfalls and similar expressions

• What is given up and for what
  • In チームの勝利のため、自分の記録を犠牲にする, victory is the purpose and the personal record is what is given up. 犠牲 presents that loss as significant, emphasizing the cost more than a simple choice.