Talk through your hat (parler sans savoir)

Idiom Communication

Signification

To speak nonsense or about something one knows little about.

Parler des bêtises ou de quelque chose qu'on connaît peu. (parler des betises ou de quelque chose qu'on connait peu)

"He was talking through his hat about quantum physics."

"Il était en train de parler sans savoir de la physique quantique." (il etait en train de parler sans savoir de la physique quantique)

to earn a lot of money

a very small difference between two things

a person who is a disgrace to their family or group

to stay positive and hopeful in a difficult situation

very excited and happy about many options or things

to beat or trick a system that uses AI or automation