===== CEFR =====
**What it is:** A global scale that describes English ability from A1 (beginner) to C2 (near-native).  
**What it’s for:** Choose suitable books, videos, and goals.  
**Example:** A2: “I can talk about daily routines.” B1: “I can explain opinions.”

===== Levels (simple guide) =====
  * **A1 (Beginner):** Basic phrases, introductions, very simple sentences.
  * **A2 (Elementary):** Daily topics, simple past/future, short conversations.
  * **B1 (Intermediate):** Longer conversations, opinions, work/travel topics.
  * **B2 (Upper-intermediate):** More complex texts, debates, clear writing.
  * **C1 (Advanced):** Flexible language, nuanced meaning, academic/work.
  * **C2 (Proficiency):** Near-native understanding and expression.

===== How to use CEFR =====
  * Pick content slightly above your level (e.g., B1 learner uses B1–B2 materials).
  * Track progress by what you can DO (speaking/reading/writing tasks), not only grammar.

===== Hard words (Glossary) =====
  * *scale* /skeɪl/: thang đo
  * *beginner* /bɪˈɡɪnə/: người mới bắt đầu
  * *near-native* /ˌnɪə ˈneɪtɪv/: gần như người bản xứ
  * *nuanced* /ˈnjuːɑːnst/: tinh tế, nhiều sắc thái