In Chinese culture, praise is often given with more consideration and weight than in some Western cultures. While a casual “great job!” is common in English, 赞赏 (zànshǎng) is a more deliberate and significant expression. It's often used by someone with a degree of expertise or authority (a critic, a teacher, a manager) to evaluate something positively. However, it can also be used between peers to express genuine, deep-seated admiration for a talent or quality. This contrasts with the Western concept of a “compliment,” which can be a casual social lubricant. 赞赏 (zànshǎng) is closer to “acclaim” or “high regard.” It implies a considered judgment has been made, and the object of praise has met a high standard. Using it shows that you have not just enjoyed something, but you have recognized its inherent value and excellence.
赞赏 (zànshǎng) is a fairly formal word. You will encounter it more in written language, formal speeches, and serious discussions than in casual, everyday chat.