Two expressions for Persian learners 1) 'Az abe gelalood mahi gereftan'
از آب گل آلود ماهی گرفتن
Literal translation: to catch fish from muddy water
Meaning: to take advantage of a chaotic situation

2) 'khod ro be oon rah zadan'
خود رو به اون راه زدن
Meaning: to look the other way

Any questions? Feel free to ask. :)