not playing with a full deck
智商有問題，思路混亂，或者行為怪異
口語·調侃智力或行為異常
英文釋義
to be mentally impaired or lacking in intelligence or common sense
例句
He thinks he can fly off the roof; he's not playing with a full deck.
典故來源
源自撲克牌比喻，一副牌不完整意味著思維或智力有缺陷，流行于20世紀美國。