我决定，我一定要努力学习英语的翻译：I decided that I must study English hard 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 decided that I must strive to learn English

I decided that I must study English hard

I decided that, I must certainly study English diligently

I decided that I should strive to learn English

I decided that I must study English hard