Definition
To experience the consequences of one's actions, typically negative outcomes resulting from past behavior.
自食其果（多指負面結果）
She cheated on exams in the past, and now her scholarship has been revoked; she truly reaped what she sowed.
她過去考試作弊，現在獎學金被撤銷了；她真的是自食其果。
If you don't work hard, you will eventually reap what you sow.
如果你不努力，最終會自食其果。
The company long neglected environmental protection, and now it faces severe penalties; this is them reaping what they sowed.
這家公司長期忽視環境保護，現在面臨嚴重處罰；這是他們自食其果。