Do you always return things you buy on Taobao? What do you say to the sellers?

I'd like to return this.

我想把这个退掉。

I'd like to return this sweater please.

sweater毛衣

Here's the receipt.

这是小票

Why didn't it work out?

为什么不要了呢？

Sure, no problem.

Why didn't the sweater work out?

I love this sweater, it doesn't fit right.

It's a little too big for me.

不合身，对我来说有点大。

I'd also like to return this charger.It's defective.

It doesn't charge my phone when I plug it in.

充电器，充不上电。

Do you always return things you buy on Taobao?

What do you say to the sellers?