而且太重了使用的时候也不方便的翻译：And very heavy use even when it is not convenient 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

Is not easy and too heavy to use when

And very heavy use even when it is not convenient

Moreover too heavy use time is not convenient

They were too heavy for use when it is not easy

And very heavy use even when it is not convenient