为了让听力得到更好的训练的翻译：To enable the hearing to obtain a better training 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

In order to get a better hearing training

To enable the hearing to obtain a better training

In order to let the hearing be under a better training

In order to allow hearing better training

To enable the hearing to obtain a better training