B：That's what my mother used to say.
那是我妈过去常说的话。
◆ used to do sth 过去常常做某事
把肥皂搓揉起沫 rub soap into lather
A：I'm afraid this soap is a substandard product. I can't seem to rub it into lather.
我恐怕这块肥皂是劣质品。我怎么搓它好像都不起沫。
B：Where did you buy it?
你从哪儿买的？
substandard /?s?b’st?nd?d/ adj. 劣质的；不合格的；标准以下的
product /?pr?d?kt/ n. 产品，产物；乘积
从肥皂盒里拿起肥皂
take the soap from the soapbox
A：I took the soap from the soapbox, but it slipped out of my hand.
我从肥皂盒里拿起了肥皂，可是肥皂却从我手里滑落了。