to boast about; to be conceited about
彼は自分の才能を鼻にかけるような男ではない。
He’s not the kind of man who boasts about his talents.
彼の事業の成功を鼻にかけるのを私は好みません。
I don't like him flaunting the success of his business.
あまりそれを鼻にかけるな。
Don't flaunt it too much.
あまり鼻にかけるな。
Don't be so conceited.