How to say "而那幅画就是敲门砖" (ér nà fú huà jiù shì qiāo mén zhuān) in Chinese dialogue

érhuàjiùshìqiāoménzhuān

and that painting was the key!

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0116:23
shì
yǒu
zhòng
yào
de
shì
qíng
yào
zuò

to handle some important things,

LINE 0216:25
PLAYING SCENE
ér
huà
jiù
shì
qiāo
mén
zhuān

and that painting was the key!

LINE 0316:27
jīn
huà
méi
le

Now it's gone.

Show Information
Source MediaTV Series
Season & EpisodeS1 E21
Timestamp16:25
TMDB ID272715