How to say in Czech: They weren’t born yesterday!

English
weren’t born yesterday!
Czech
Nejsou včerejší!
They weren’t there alone.
He knows what they did yesterday.
They did it yesterday.
What did they do yesterday?
What did they do yesterday evening?
I want to apologize for my behaviour yesterday.
It happened the day before yesterday.
It was windy yesterday.
What date was it yesterday?
What happened yesterday?

Czech phrasebook and translator with tens of thousands of sentences translated by humans. Czechslator is being developed by Michal Měchura. CREDITS Czechslator's sentence generation engine is partially based on Grammatical Framework. All Czech pronunciation is computer-generated using Microsoft Azure Text to Speech. When Czechslator cannot find a translation in its own database, it looks in the PanLex dictionary or obtains a machine translation from Microsoft Translator. PRIVACY Czechslator does not save any cookies in your web browser and does not collect personally identifiable data. Czechslator uses StatCounter for traffic analysis, configured not to save any cookies in your web browser and not to collect any personally identifiable data.