How to say "一定是孙貌杀的" (yí dìng shì sūn mào shā de) in Chinese dialogue

dìngshìsūnmàoshāde

Sun Mao must have killed her.

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0104:31
shuǐ
táo

Shuitao.

LINE 0204:33
PLAYING SCENE
dìng
shì
sūn
mào
shā
de

Sun Mao must have killed her.

LINE 0304:35
yào
zěn
huì
cáng
jiā

Why else would she be hidden in his house?

Show Information
Source MediaTV Series
Season & EpisodeS1 E23
Timestamp04:33
TMDB ID289209