英和和英

penetrating insight

to penetrate into one's motive

good taste

keen intelligence

the condition of being wise and witty

be well-informed

the unimpassioned intellect

to be wise―witty―sensible―intelligent―prudent―sagacious

We differ in opinion on the subject.

the act of keeping watch

a steadfast gaze

in a noticeable manner

the state of having a brilliant talent

of a person, being wise and intelligent

acutely insightful and wise

the state of being conspicuous

took an optimistic view

having a keen intellect

a secret look

to extend one's experience―add to one's stock of information

an act of misunderstanding

to discriminate between different things

a quick and penetrating intelligence

keep guard

to mistake one thing for another

sharp judgment

to see with the mind's eye―perceive mentally

the action of turning to look at something

a fastidious and incisive intellect

the condition of being skilled at discerning information