盛气凌人 (shèng qì líng rén): 오만하다.

That new manager is always overbearing and never speaks politely to his subordinates; everyone is afraid of him.

Relying on his wealth, he is overbearing even toward waiters; such an attitude is really unbearable.

Even if you have good grades, you shouldn't be overbearing; otherwise, your classmates will all stay away from you.

His overbearing manner during the negotiation made the other side very disgusted, and as a result, the two parties parted unhappily.

She blames others in an overbearing way but never reflects on her own mistakes; her colleagues all dislike her.

Don't think that just because you're a leader you can be overbearing; only by respecting others can you win respect.