反面教材
faan2 min6 gaau3 coi4fǎn miàn jiào cái
English
- negative example
- negative example (to learn)
- sth that teaches one what not to do
- bad example; anti-role model
粵語 — Cantonese
- 唔應該學習、模仿嘅人或事物（量詞：個）
Examples
篇文又長又唚，係作文嘅反面教材。
This lengthy and verbose essay is an typical example of poor writing.
Sources: cc-canto, cc-cedict, words.hk