A：Let's get together this weekend.

咱们这个周末聚一聚吧。

B：Sounds good.

听起来不错。

注释：

a.get together 聚会

b.(It) Sounds good.

= (It) Sounds like a good idea.

(听起来不错。)

A: I'll treat you to dinner tonight.

(甲：今晚我请你吃饭。)

B: Sounds good.

= Sounds like a good idea.

(乙：听起来不错。)