Formal:
* 优秀 (yōuxiù): This is the most common and general term for "excellent," suitable for formal situations.
* 卓越 (zhuóyuè): This term emphasizes outstanding achievement and is often used to describe something exceptional.
Informal:
* 很棒 (hěn bàng): This is a very common and informal way to say "excellent," similar to "awesome" or "great."
* 太棒了 (tài bàng le): This is another informal expression that emphasizes the "excellent" quality.
* 特别好 (tèbié hǎo): This means "especially good" and can be used in a more specific context.
Other options:
* 完美 (wánměi): This means "perfect" and can be used to express "excellent" in certain situations.
* 一流 (yīliú): This means "first-class" or "top-notch" and can also be used to convey "excellent."
Examples:
* 他是一个优秀的学生。 (Tā shì yīgè yōuxiù de xuéshēng.) He is an excellent student.
* 这场比赛真棒！ (Zhè chǎng bǐsài zhēn bàng!) This game is excellent!
* 你的工作太棒了！ (Nǐ de gōngzuò tài bàng le!) Your work is excellent!
It's important to choose the right expression based on the context and the desired level of formality.