帮忙解释一下啊

you can say all things must end 你可以说一切可以结束
you can smile and even pretend 可以假装对我笑
and you can turn and walk away so easily 甚至你也可以很简单的转身就走
but you can't say, you don't love me anymore 但是你不能说你永远不在爱我
you can dream of what might have been 你可以梦想
you can cry for what won't pass again 你可以因为一切不在重来哭泣
and you can say there's every reason you should leave 甚至你可以没有任何理由的离开
but you can't say, you don't love me anymore 但是你不能说你永远不再爱我
you can say, i'm right you're wrong 你可以说我对了你错了
you can make your plans to find somebody else 也可以好所你找到了其他的归宿
but i can't believe you can carry on 但是你不能让我相信你能继续(??)
we know what should be said 我们都记得曾经说过的话
but you can't find the worlds instead you say 你不能用其他的话来代替你曾经的许诺
all things must end you can smile and even pretend 所有的事情必须结束
you can smile and even pretend
and you can turn and say you're leaving me for good
but you can't say, you don't