the self, especially as distinct from other selves or the world

an inflated sense of one's own importance

अपनी महत्ता का बढ़ा हुआ अहसास

English Usage: Her ego was bruised when she didn’t get the promotion.

Hindi Usage: जब उसे पदोन्नति नहीं मिली तो उसका अहंकार चोटिल हो गया।

to gain control over

to become skilled at

में निपुण होना

English Usage: In order to succeed, she must master the art of negotiation.

Hindi Usage: सफल होने के लिए, उसे बातचीत की कला में निपुण होना चाहिए।