口语
i think i've blown it up(i sucks at it),done not so pretty suit,maybe,you can teach me a bit.
正式
i think that i did it terribly bad,i'm not so competent,maybe,you can teach me how to do it well.
口语
i think i've blown it up(i sucks at it),done not so pretty suit,maybe,you can teach me a bit.
正式
i think that i did it terribly bad,i'm not so competent,maybe,you can teach me how to do it well.