請高手幫忙翻譯英語之一~感恩^_^

Please check the shipping costs before placing the bid. If you fail to comply to this, I will reserve the right to leave you with a negative feedback for your rating.

(I used to sell things at Ebay in US before)

Please looked the clear transport expense only then good bid compete throw otherwise me to be able to leave behind the negative credit rating to you.

英文翻譯:

Please looked the clear transport expense only then good bid compete throw otherwise me to be able to leave behind the negative credit rating to you