我花了很长时间才理解了那副油画的意义的翻译：It took me a long time to understand the significance of the painting 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 spent a long time to understand the meaning askew painting

It took me a long time to understand the significance of the painting

I spent the very long time only then to understand that vice-oil painting significance

It took me a long time to understand the significance of the painting