leave someone high and dry
(困っている人を)見放す、見捨てる
Ex
- All my workers quit and left me high and dry.
- Paying the bills always leaves me high and dry.
Reference source
- https://eow.alc.co.jp/search?q=leave+someone+high+and+dry
- https://www.meandusa.com/leave-high-and-dry/