How to say "难道自己心里没点数" (nán dào zì jǐ xīn lǐ méi diǎn shù) in Chinese dialogue

nándàoxīnméidiǎnshù

Could she not tell?

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0123:40
nán
péng
yǒu
mǎi
de

Where did her boyfriend get it?

LINE 0223:41
PLAYING SCENE
nán
dào
xīn
méi
diǎn
shù

Could she not tell?

LINE 0323:44
men
suī
rán
shì
zuò
jiàn
dìng
de

We may be in the authentication business,

Show Information
Source MediaTV Series
Season & EpisodeS1 E5
Timestamp23:41
TMDB ID240446