please help me! i don't know how to improve my english ability, I use so many study way learning english, but my english ability still so poor.

i feel so bad leaning english is very difficult for me. so many time i don't know how to express my real thinking.  i hope i can speak english fluently one day, but i don't know what to do. i feel so bad.

i don't know how to improve my english ability. i don't know how to improve my english ability.