intelligent; clever; bright

to think oneself clever; to act smart

cleverness in unimportant matters or being sharp but petty-minded

bright; intelligent

intelligence and ability

to lose one's sense of hearing; the condition of being deaf or having hearing loss

(idiom) bright, clever, and quick-witted

smart; intelligent

highly intelligent; brilliant

bright; sharp; quick-witted

a clever person may become the victim of his own ingenuity; cleverness may overreach itself; too smart for one's own good

highly intelligent; brilliant

possessing sharp hearing and keen eyesight

intelligent, wise, and perceptive; having keen insight

wise after the event; with hindsight, one should have predicted it

If one is too calculating, it will be the cause of one's own undoing (famous line in "A Dream of Red Mansions").

Even the wisest can have a momentary lapse in judgment; every man has a fool in his sleeve.

too clever by half; excessive ingenuity

to display one's cleverness in a shallow, annoying, or counterproductive way