Advanced proficiency is defined by moving beyond basic synonyms to specialized language and nuanced expressions:
Achieving a C1 Advanced level of English requires more than just knowing "big words." It involves mastering subtle connotations, precise collocations, and the ability to express complex ideas fluently. Cambridge vocabulary for advanced
: Advanced learners must avoid "naturalness" errors—for example, knowing which prepositions or verbs typically pair with a noun (e.g., "committing a crime" vs. "doing a crime"). Advanced proficiency is defined by moving beyond basic