如果一开始没有成功 If you don't succeed at first ,you must try again可以改成If no如果一开始没有成功 If you don't succeed at first ,you must try again可以改成If no success at first,you must try again 为什么?

如果一开始没有成功 If you don't succeed at first ,you must try again可以改成If no如果一开始没有成功 If you don't succeed at first ,you must try again可以改成If no success at first,you must try again 为什么?
如果一开始没有成功 If you don't succeed at first ,you must try again可以改成If no
如果一开始没有成功 If you don't succeed at first ,you must try again可以改成If no success at first,you must try again 为什么?

如果一开始没有成功 If you don't succeed at first ,you must try again可以改成If no如果一开始没有成功 If you don't succeed at first ,you must try again可以改成If no success at first,you must try again 为什么?
不可以,句子不完整.可以改为：If there is no successful at first,you must try again.