这些成果都是与他出色的理解力和惊人的毅力分不开的。怎么翻译急！！！

These achievements are inseparable from his outstanding and his abilities and amazing perseverance

these successes are all due to his outstanding understandings and astonishing consistency.

i think this is a little bit better,it is more like english speaking............but can you give me some stuffs to translate?thanks a lot.

These achievements all are cannot separate with his splendid comprehension faculty and the astonishing will.