spiral down

US /ˈspaɪ.rəl daʊn/
UK /ˈspaɪ.rəl daʊn/
"spiral down" picture
1.

下降の一途をたどる, 悪化する

to continuously get worse or decline, often at an accelerating rate

:
After losing his job, his life began to spiral down.
仕事を失ってから、彼の人生は下降の一途をたどった
The company's profits continued to spiral down due to poor management.
経営不振のため、会社の利益は下降の一途をたどった