天才ぶりを見せるの英語

to show one's genius―One's genius asserts itself

a universal genius

to display one's genius―give scope to one's genius

to foster genius

He has a sort of genius

to foster one's genius

Genius will show itself―assert itself―at an early age.

to brilliantly display one's talents

He possesses an inborn genius.

the condition of a person of being talented

of a condition of a person, talented

His genius has full fling

excellent capabilities

He has a genius for languages―an aptitude for languages.

scintillation of genius

a work bearing the hallmark of (a) genius

Let your genius have its swing―have free swing―have free play.

He is a genius of the first water.

an innate talent

the condition of having an exceptional talent

His genius asserted itself early in life―at an early age.

the action of not showing one's talent by hiding it

to be able to develop one's talent

the height of genius

uncommon ability

give one's talents to a good cause

raw talent

of a person's talent, to be outstanding compared to others

It bears the stamp of genius.

an unappreciated genius