First, read the English article below.

Go to https://www.ebay.com/. If you're already signed into eBay, this will open your eBay home page. If you aren't signed in, click Sign in in the top-left side of the page, enter your email address (or username) and password, and click Sign in. It's a tab in the upper-right side of the page. Doing so prompts a drop-down menu. This option is near the bottom of the drop-down menu. Click the name of an item on which the bid was placed. You may have to scroll down to find your item. This number is to the right of the "eBay item number" heading that's in the top-right side of the "Description" tab. You'll need this information to direct eBay to the correct item. Click the [bid] link above the Place bid button, then find the name of the person who placed the bid that you want to cancel. You'll need this information to cancel the bid. It's in the top-left side of the page. This will take you back to the home page. It's at the bottom of the "Tools & apps" column of options that's at the bottom of the eBay home page. This option is in the "Sell activities" group of options beneath the "SELL" heading. Complete the following fields:   Item number - Type your item's number into the field above this heading.  User ID of the bid you are cancelling - Type the bidder's username into the field above this heading.  Reason for cancellation - Enter a brief (80 or fewer characters) reason for the cancellation in the field below this heading. This will immediately cancel all bids placed on your selected item by the user in question. 

Now, please write a short abstract for it in Indonesian. Abstract:
Buka situs eBay. Pilih My eBay. Klik Selling. Pilih barang. Geser layar dan cari nomor barang. Masukkan nama pengguna penawar. Klik logo eBay. Geser layar dan pilih Site map. Geser layar dan klik Cancel bids on your listing. Selesaikan formulir pembatalan penawaran. Klik cancel bid.