How to say "有什么不为人知的关系" (yǒu shén me bù wéi rén zhī de guān xì) in Chinese dialogue

yǒushénmewéirénzhīdeguān

between Qingyan and the Six Sects?

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0105:50
yàn
ér
men
běi
chén
liù
pài
zhī
jiān

some unknown connection

LINE 0205:52
PLAYING SCENE
yǒu
shén
me
wéi
rén
zhī
de
guān

between Qingyan and the Six Sects?

LINE 0305:56
guān
ma

As for connections,

Show Information
Source MediaTV Series
Season & EpisodeS1 E16
Timestamp05:52
TMDB ID262932