having no money, home, or job, and living on the streets
After losing his job, he became down and out and had to sleep in the park.
失業した後、彼は一文無しでホームレスになり、公園で寝なければならなかった。
sure to lose or fail
The team was down and out after the star player got injured.
スター選手が負傷した後、そのチームは敗北が確定した。