There's a famous table with what Brits say vs mean: https://www.reddit.com/r/unitedkingdom/comments/ha0rz/british_english_phrases_and_what_they_really_mean/ ht

There's a famous table with what Brits say vs mean: https://www.reddit.com/r/unitedkingdom/comments/ha0rz/british_english_phrases_and_what_they_really_mean/ https://www.reddit.com/r/unitedkingdom/comments/ha0rz/britis... e.g. "very interesting" -> "clearly nonsense"