My English is poor.
My English is bad/not good.
I am bad at English.
I am not good at English.还有一个问题：我的梦想是做一个有钱并且有知识的人我的梦想是做一个有钱并且有知识的人

My dream is to become rich in both money and knowledge.
My dream is to be rich both financially and knowledgeably.
My dream is to have both ample wealth and substantial knowledge.