go down the tubes

US /ɡoʊ daʊn ðə tuːbz/
UK /ɡoʊ daʊn ðə tuːbz/
"go down the tubes" picture
1.

merosot teruk, gagal sepenuhnya, musnah

to fail completely or be ruined

:
The company started to go down the tubes after the scandal.
Syarikat itu mula merosot teruk selepas skandal itu.
If we don't fix this problem, our whole plan will go down the tubes.
Jika kita tidak selesaikan masalah ini, seluruh rancangan kita akan gagal teruk.