大daai6打daa2折zit3扣kau3

English

1. a big discount; a great decline
2. to perform less proficiently than usual in terms of ability, marks etc.unreviewed?
3. the perception of a person become worseunreviewed?

粵語 — Cantonese

1. 表現失準；效用比預期嘅差unreviewed?
2. 對人嘅印象、睇法變差unreviewed?

Examples

• 我父母說，YouTube 和串流平台讓電影的魔力大打折扣。

  My parents say that YouTube and streaming services cheapen the magic of film.

  Tatoeba · LeviHighway CC BY

• unreviewed?

  明明練咗好耐，偏偏最後表現大打折扣。

  I have practiced for so long, eventually the outcome is not as good as usual. ----

• unreviewed?

  阿揚讀書好叻，但係佢好曳，所以老師對佢嘅印象大打折扣。

  Ah-yeung is doing well in his studies but he doesn't behave himself, so the teacher's perception of him become worse.