How to say "只是百密一疏" (zhǐ shì bǎi mì yī shū) in Chinese dialogue

zhǐ只shì是bǎi百mì密yī一shū疏

The only flaw was that

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0122:50
shì是gè个wàn万quán全de的jì计cè策ya呀

“a foolproof plan.”

LINE 0222:52
PLAYING SCENE
zhǐ只shì是bǎi百mì密yī一shū疏

“The only flaw was that”

LINE 0322:55
wàn万wàn万méi没xiǎng想dào到

“no one expected”

Show Information
Source MediaTV Series
Season & EpisodeS1 E2
Timestamp22:52
TMDB ID280632 →