After four year’s effort I improved my comprehensive quality by study and practice.的翻译：After four year’s effort I improved my comprehensive quality by study and practice. 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

After four year's effort I improved my comprehensive quality by study and practice.

After four year’s effort I improved my comprehensive quality by study and practice.

After four year' s effort I improved my comprehensive quality by study and practice.

Four year effort I After ' s comprehensive quality improved by my study and practice.

After four year’s effort I improved my comprehensive quality by study and practice.