be born yesterday

== English == === Pronunciation === === Verb === be born yesterday (third-person singular simple present is born yesterday, no present participle, simple past was born yesterday, no past participle) (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 ==== Usage notes ==== Mostly used in the negative to indicate that one is not as naive as had been implied. ==== Related terms ==== ==== Translations ==== ==== See also ====