chậm tiến

chậm tiến is a Vietnamese adjective for someone or something “lagging behind” or “underdeveloped,” with the literal feel of being slow to progress. It can describe people, groups, countries, or regions compared with a wider social, economic, ideological, or technological standard. But this word is not always neutral. In some contexts, especially when talking about countries, chậm tiến can sound critical or judgmental, while alternatives like đang phát triển or kém phát triển may fit better. The full lesson looks at how the word works, what it naturally combines with, and how to avoid the wrong tone. Watch the full lesson to learn the nuance clearly.