dumbfound

/dʌmˈfaʊnd/ (bre, ipa) · /dʌmˈfaʊnd/ (ame, ipa) · /ˌdəm-ˈfau̇nd ˈdəm-ˌfaund/ (ame, mw)

dumbfound — verb

  • dumbfoundpresent simple I / you / we / they
  • dumbfoundshe / she / it
  • dumbfoundedpast simple
  • dumbfounding-ing form

1. to shock or amaze someone so completely that they become unable to speak for a s

1.動詞及物B2
釋義

to shock or amaze someone so completely that they become unable to speak for a short time — for example, when a surprise is too big to take in all at once.

例句

The sudden news of the factory closure dumbfounded the entire workforce.

transitive: event + dumbfounds + person/group

Dr. Ramírez was dumbfounded when the laboratory report showed a cure rate of ninety-eight percent.

passive: be dumbfounded when + [event]

同義詞
  • astound

    similar intensity but does not imply loss of speech

  • flabbergast

    informal synonym with the same force as dumbfound

  • bewilder

    focuses more on confusion than on speechless shock

文法句型

dumbfound + [person]

be dumbfounded + by/at/to-infinitive

用法筆記

Always transitive. Most common in the passive voice in both speech and writing. Not used for mild or everyday surprise — the meaning carries a strong sense of near-speechless shock.

常見錯誤

❌I was dumbfounded when I found my keys in my bag.
✅I was surprised when I found my keys in my bag.
💡dumbfounded is too strong for minor everyday events.