How to say "本以为真心总能换真心" (běn yǐ wéi zhēn xīn zǒng néng huàn zhēn xīn) in Chinese dialogue

běnwéizhēnxīnzǒngnénghuànzhēnxīn

I thought sincerity could finally win sincerity,

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0102:55
tián
yán
tǎo
hǎo
le
èr
shí
duō
nián

flattering them with sweet words for over 20 years.

LINE 0202:58
PLAYING SCENE
běn
wéi
zhēn
xīn
zǒng
néng
huàn
zhēn
xīn

I thought sincerity could finally win sincerity,

LINE 0303:01
shì
méi
xiǎng
dào

but I didn't expect

Show Information
Source MediaTV Series
Season & EpisodeS1 E7
Timestamp02:58
TMDB ID281231