unheard-of

/ʌnˈhɜːd əv/ (bre, ipa) · /ʌnˈhɜːrd əv/ (ame, ipa) · /ˌən-ˈhərd-ˌəv How to pronounce unheard-of (audio) -ˌäv/ (ame, mw)

unheard-of — adjective

1. so unusual that people are startled because nothing like it was known or experie

1.形容詞B2
釋義

so unusual that people are startled because nothing like it was known or experienced before.

例句

The town offered unheard-of discounts after the storm damaged its shops.

an unheard-of + noun for a surprising level

For that tiny village, a train every ten minutes was unheard-of.

be unheard-of in a place or situation

同義詞
  • unprecedented

    more formal and often used for events or levels with no earlier example

  • extraordinary

    broader and can be positive without implying shock

  • shocking

    focuses more on the reaction than on rarity itself

反義詞
  • ordinary

    normal and not surprising in that situation

  • common

    happening often enough that people expect it

文法句型

an unheard-of + noun

be unheard-of

用法筆記

Common both before a noun and after 'be'. It usually comments on something as extreme for a place, time, or situation, not just new.

常見錯誤

❌The village had an unheard train schedule.
✅The village had an unheard-of train schedule.
💡The fixed adjective is 'unheard-of'; 'unheard' alone usually means 'not heard' or 'ignored'.