他们的词性是不一样的,succeed 是不及物动词,是“成功;完成”的意思,例如:The experiment has succeeded. success是名词“成功;成功者”的意思,例如:She is a success as an actress. successful是形容词“成功的”意思,例如:She is a successful actress.
succeed是动词,如if you work harder,you will succeed one day. success是名词,如 if you work harder ,you will make a great success one day. successful是形容词,如 if you work harder,you will be successful one day.