I didn't want Ron coming over trying to mooch off of me like he always does.

我不想让罗恩过来，他总想从我这里讨些东西走。

《柯林斯英汉双解大词典》

That doesn't mean you mooch off of other people.

这并不意味着你占了他们的便宜。

youdao

It started last Sunday, when I was at her house to mooch some lunch while helping her get photos off of her digital camera and onto a sharing site so she could, ahem, share them.

ENGADGET: This is the Modem World: Why we fight