(idiom) to think oneself clever

clever-clever; clever in trivial matters; sharp but petty-minded

bright; intelligent

exceptionally intelligent; brilliant

intelligence and ability

(literary) acute (of hearing); (bound form) clever; intelligent; sharp

to go deaf; to lose one's hearing; deafness; hearing loss

bright; sharp; quick-witted

smart; intelligent

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

(idiom) exceptionally intelligent

highly intelligent; brilliant

to get smart; to resort to petty tricks

sharp ears and keen eyes (idiom); keen and alert; perceptive

(idiom) bright; clever; quick-witted

too clever by half; excessive ingenuity

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

see 聰明一世，糊塗一時|聪明一世，糊涂一时[cong1 ming5 yi1 shi4 , hu2 tu5 yi1 shi2]

(idiom) even the wisest can have a momentary lapse in judgment; every man has a fool in his sleeve

if one is too calculating, it will be the cause of one's own undoing (famous line in "A Dream of Red Mansions" 紅樓夢|红楼梦[Hong2 lou2 Meng4])