对不起，我想放弃这支笔，我了解她之后发现她还是太小了，可能不适合我，万

对不起，我想放弃这支笔，我了解她之后发现她还是太小了，可能不适合我，万分抱歉，希望有机会再合作。

結果 (英文) 1:

I'm sorry, I want to give up the pen, I know her and found she was too small, and may not be appropriate for me, sorry, hope to have the opportunity to work again.

結果 (英文) 2:

I'm sorry, I want to give this pen, I know she found out that she was too young then, may not be for me, very sorry, I hope to have the opportunity to cooperate.

結果 (英文) 3:

Excuse me, I want to give up this pen, I know her after she found that she is too small, may not be suitable for me, I am very sorry, I hope to have the opportunity to cooperate.