sink in(о смысле, значении и т.п.); realize(he realized – до него дошло q3mi4); get around to(I meant to call you, but somehow I never got around to it • I had every intention of reading his book but never got around to it until this spring – руки не дошлиБаян); die; cotton on to(до кого-то MichaelBurov); catch on to(до кого-либо 4uzhoj); click(for someone • Recently I went to a talk where someone really explained it in a way it finally clicked for me.4uzhoj); of a speech, play, etc. come across(to); reach the point of
dawn(on sb. – до кого-л.; *о понимании* • "After 42 convictions in several provinces across the country, has it not dawned on anyone that something has to be done about this repeat offender?" – Неужели ни до кого не дошло, что по поводу этого рецидивиста нужно принимать какие-то меры?ART Vancouver)
the penny dropped(кого-либо; для усиления часо добавляют звукоподражание вроде "with a clang/clatter/crash, etc." • He squinted at it. "So it is..." The penny dropped with a clatter. "Dan, are you colour-blind?"4uzhoj)