It's mathematically impossible for a starting character to play in any difficulty setting than Normal,even if it was possible这怎么翻译

It's mathematically impossible for a starting character to play in any difficulty setting than Normal,even if it was possible
这怎么翻译

从数学角度,一个新角演绎超常的角色是不可能的.即使以前有可能

即使是有可能，一个刚刚起步的角色也是绝对不可能在难度高于“正常”的情况下出演的。
mathematically：rigorously precise,绝对准确地。。。