How to say "到时候他就没用了" (dào shí hòu tā jiù méi yòng le) in Chinese dialogue

dàoshíhòujiùméiyòngle

and then he would have been useless.

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0114:29
jiù huì yǒu gèng xiǎo gèng tīng huà de huáng zi

就会有更小 更听话的皇子

there would have been a younger, more obedient prince replacing him,

LINE 0214:33
PLAYING SCENE
dào
shí
hòu
jiù
méi
yòng
le

and then he would have been useless.

LINE 0314:36
zhǔ
zi
shì
shuō

You mean...

Show Information
Source MediaTV Series
Season & EpisodeS1 E15
Timestamp14:33
TMDB ID280632