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vanity; vainglory
虚栄心が強い人は見栄を張りがちだ。
People with strong vanity tend to put on airs.
彼は虚栄のために借金を重ねてしまった。
He accumulated debts due to his vanity.
虚栄を捨てれば心が楽になるだろう。
If you let go of vanity, your mind will feel at ease.