腹はら八はち分ぶ

noun

eating until 80% full; moderate eating

A traditional Japanese dietary principle of stopping when you feel about 80% full, often used in health advice.

• 腹はら八はち分ぶに医い者しゃいらず。

  Eating in moderation keeps the doctor away.

• 健けん康こうのために、いつも腹はら八はち分ぶを心こころがけている。

  For my health, I always try to eat until I'm 80% full.