誇示 こじ
koji

Noun
Suru Verb

1. flaunting; showing off; display (of power, wealth, etc.); ostentation

Transitive
かれ けっして自分 じぶん学問 がくもん誇示 こじすることは かった。
karewa kesshite jibunno gakumon'o koji suru kotowa nakatta.
He never made a display of his learning.