will have heard of(Most people will have heard of the Yeti, the Bigfoot and the Sasquatch but very few have seen any of these hairy man-beasts. -- Большинство людей наверняка слыхали о ...ART Vancouver)
heard something of the kind(e.g.: "You are aware that no two thumb-marks are alike?" "I have heard something of the kind." – Sir Arthur Conan Doyle – Я слыхал нечто в этом роде / Я слыхал нечто подобное ART Vancouver)
