既浪费时间又对我们的成长不利的翻译：Both a waste of time and to the disadvantage of our growth 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

Only a waste of time and detrimental to our growth

Both a waste of time and to the disadvantage of our growth

Both wastes the time and to be disadvantageous to our growth

waste time and both of our growth adversely

Both a waste of time and to the disadvantage of our growth