courteous

Compared meaning: showing good manners and respect to others (adjective).

比较义项：有礼貌的，尊重他人的（形容词）。

• polite

  The everyday, neutral word for good manners; used for simple acts of courtesy like saying thank you or holding a door; can also describe a socially acceptable minimum of civility.

  最常用、最中性的词，指良好的举止；用于说谢谢、扶门等简单的礼貌行为，也可以指社交上最基本的礼貌。

  It's polite to say thank you when someone helps you.

  当有人帮助你时，说声谢谢是有礼貌的。

• courteous 本词

  More formal and stronger than polite; suggests attentive, respectful service or manner, often used for staff, professionals or formal interactions rather than casual acts.

  比 polite 更正式、语气更强，暗示周到、恭敬的服务态度或举止，常用于形容服务人员、专业人士或正式场合，而非随意的日常小事。

  The waiter was courteous and helped us choose the best dish.

  服务员彬彬有礼，帮我们挑选了最好的菜。

Both words describe someone who behaves well and respects others. Polite is the everyday, neutral word for good manners, used for simple acts like saying thank you. Courteous is more formal and stronger, suggesting attentive, respectful service, often used for staff or formal situations.

这两个词都形容一个人言行得体、尊重他人，但 courteous 语气更正式，强调周到、殷勤的服务态度或礼节，常用于描述服务人员或正式场合；polite 是最常用、最中性的说法，适用于日常礼貌行为。