Is it necessary to remember a lot of words if I want to learn English very well?

Why so many foreigners learn Chinese ,but so mang Chineses learn English?

First notebook entry: Introducing myself Hello everybody I am so glad to be here and introduce myself. I'm Freyar, a Sophomore students at China hunan changsha. I love English and i 'm learning English .but my English is not good now. so I wish I could have a greater opportunity to exercise my English learning. Is there somebody can help me ?(I would appreciate)