niche, cup, go, fell

• niche／（人・物に）適した地位・適所　※壁のくぼみのニッチと同じ単語
• cup／（人生に置ける苦楽の）自分のあずかる分、運命（の杯）
  • drink a bitter cup
• go／（物などが）なくなる、消える、（人の健康・機能などが）だめになる（to fail or become weak because of use, age, etc.／to break because of force or pressure／to no longer exist or no longer be in the same place ）
  • Our confidence in him is gone.
  • This old computer will have to go.
  • His eyesight is going.
  • Poverty must go.
  • The roof is weakening and it could go at any time.
• fell／激しい、恐ろしい、残忍な、有害な、致命的な