поглощённый своими объяснениями, он

поглощённый своими объяснениями, он не замечал, что лица его приятелей выражали полное непонимание

Результаты (английский) 1:

the adsorbed their explanations, he failed to notice that his buddies had a complete misunderstanding

Результаты (английский) 2:

absorbed in his explanations, he did not notice that the faces of his friends expressed their complete lack of understanding

Результаты (английский) 3:

sequestered their explanations, it is not observed, that person, his buddy expressed their complete misunderstanding