он любознателен. развит не по годам

он любознателен. развит не по годам и голова у него на плечах,хотя сразу производит впечатление угрюмого всезнайки

Результаты (английский) 1:

He's inquisitive. developed by years and not a head on his shoulders, while immediately impresses those surly

Результаты (английский) 2:

He is inquisitive. precocious and his head on his shoulders, but immediately gives the impression of a surly know-all

Результаты (английский) 3:

he is inquisitive. precocious and head on his shoulders, while immediately gives the impression of the angry smarty pants.