Не париться над чем-то

[Chucha]

Please, help me with a good English equivalent. The context is broad, almost all-purpose:)

Thanks for help

[AnnaB]

to take smth. easy :)

[Translucid Mushroom]

imo - not to give a damn about smth

[Romeo]

don't sweat it

[Аристарх]

Ещё вариант not to take one's utmost to do smth

[Irisha]

not to fuss about...