彬彬有礼 (bīn bīn yǒu lǐ): การกลั่นและสุภาพ

The new colleague is always courteous and polite; every morning he proactively greets everyone, so everybody likes him very much.

Although that old professor has high academic achievements, he still treats students with refined courtesy and never puts on airs.

At yesterday's business dinner, she shook hands and chatted with every client in a refined and courteous manner, leaving a very good impression on them.

Even though the other party spoke very rudely, he still responded courteously and politely, without showing any dissatisfaction.

The waiters at this restaurant are all courteous and polite; as soon as guests enter, they greet them with a smile, making people feel very comfortable.