not have a pot to piss in
US /nɑt hæv ə pɑt tu pɪs ɪn/
UK /nɑt hæv ə pɑt tu pɪs ɪn/

1.
一無所有, 身無分文
to be extremely poor; to have no money or possessions at all
:
•
After losing everything, he didn't have a pot to piss in.
失去一切後,他一無所有。
•
They started with nothing, literally didn't have a pot to piss in, but built a successful business.
他們白手起家,簡直是一無所有,但卻建立了一個成功的企業。