geistige Zurückgebliebenheit
weiser Mensch; kluger Kopf; kluger Mensch
Wissenswettbewerb; geistiges Kräftemessen
weiser Mensch; kluger Kopf; kluger Mensch
having wisdom and resources; being clever and talented
wisdom and good (common sense) judgment
big heads have little wit
being too clever (for one's own good); getting done in by one's own cleverness
dissection puzzle (tangram, Sei Shonagon chie-no-ita, etc.)