be born yesterdayとは 意味・読み方・使い方

動詞

be born yesterday (third-person singular simple present is born yesterday, no present participle, simple past was born yesterday, no past participle)

1. (informal, stative, chiefly in the negative) To be new, naive, innocent, inexperienced, or easily deceived.

   Synonyms: (US) fall off the turnip truck, be born last week, (NZ, Australian) come down in the last shower; see also Thesaurus:naive

   I was not born yesterday, you know. I have done this before!

   • 1840, Henry Cockton, chapter 60, in The Life and Adventures of Valentine Vox, the Ventriloquist, page 508:

     "Do you think," he added, with an ironical grin, "that you'll go for to gammon me into that air! I'm hinnocent, I know, but I wasn't born yesterday exactly."

   • 1915, William MacLeod Raine, chapter 6, in Steve Yeager:

     "Say, do I look like I was born yesterday? See any green in my eye, Cactus Center?"

   • 1998, Gwyn Hyman Rubio, Icy Sparks, page 155:

     "Compared to me, you were born yesterday."

   • 2005, Howard Zinn, Donaldo Pereira Macedo, Howard Zinn on Democratic Education, page 69:

     If you don't know important things about history, then it's as if you were born yesterday.

使用する際の注意点

• Mostly used in the negative to indicate that one is not as naive as had been implied.

関連する語

参考