我是始终不明白，这究竟是什么道理的翻译：I always wonder, what is this truth 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I still do not understand, what is the reason this

I always wonder, what is this truth

I am always did not understand that, actually this is any truth

I still don't understand, what is truth

I always wonder, what is this truth