When combined, 重要 (zhòngyào) literally means “heavy and essential.” This beautiful combination perfectly captures the modern meaning: something that is so weighty and necessary that it cannot be ignored.
In many Western cultures, especially American culture, “importance” is often framed from an individualistic perspective: “This is important *to me*.” While this is also true in China, the concept of 重要 is frequently linked to a more collective context. What is considered “important” is often determined by its value to the family, the company, the community, or even the nation. For example, a major life decision, like choosing a career, might be weighed not just on personal passion but on its stability and ability to support one's parents—factors that are 重要 for the family unit. This contrasts with a Western approach that might prioritize individual fulfillment as the most 重要 factor. This doesn't mean Chinese culture negates personal feelings, but rather that the “importance” of something is often measured by a wider, more relational and societal lens. Understanding this helps you grasp why certain topics or duties are given such high priority in Chinese society.
重要 is an extremely versatile adjective used across all levels of formality.