Formal:
* 听起来不错 (tīng qǐlái bùcuò): Literally translates to "Sounds not bad." This is a more polite and formal way to say "sounds good."
Informal:
* 听起来挺好的 (tīng qǐlái tǐng hǎo de): Literally translates to "Sounds quite good." This is a more casual and conversational way to say "sounds good."
* 可以 (kěyǐ): This is a very common way to say "sounds good" in informal situations. It literally means "can," but it's often used as a way of agreeing to something.
* 好 (hǎo): This is the most basic and common way to say "good" in Chinese. You can use it in informal situations to mean "sounds good."
Example:
Formal:
* 你今天晚上有空吗?我们去吃饭吧。 (Nǐ jīntiān wǎnshàng yǒu kōng ma? Wǒmen qù chīfàn ba.) "Are you free tonight? Let's go eat."
* 听起来不错。 (Tīng qǐlái bùcuò.) "Sounds good."
Informal:
* 我们明天去爬山怎么样? (Wǒmen míngtiān qù páshān zěnme yàng?) "How about we go hiking tomorrow?"
* 可以。 (Kěyǐ.) "Sounds good."
Tip: When choosing which phrase to use, consider the relationship between you and the other person. The more formal the situation, the more polite and formal the phrase should be.