сов. безл.
ему, им и т. д. посчастливилось (+ инф. ) — he has, they have, etc . , the luck (+ to inf. ); he is, they are, etc . , lucky enough (+ to inf. )
ему посчастливилось достать эту книгу — he had the good fortune, или was lucky enough, to get this book, he happened to get this book