How to say "不可能会无缘无故地陷下去" (bù kě néng huì wú yuán wú gù dì xiàn xià qù) in Chinese dialogue

nénghuìyuánxiànxià

It can't just sink for no reason.

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0105:39
de
yīng
gāi
hěn
láo
cái
duì

Its foundation should be firm.

LINE 0205:41
PLAYING SCENE
néng
huì
yuán
xiàn
xià

It can't just sink for no reason.

LINE 0305:45
chú
fēi

Unless...

Show Information
Source MediaTV Series
Season & EpisodeS1 E21
Timestamp05:41
TMDB ID262932