no picnic
(informal) Something difficult or unpleasant.
Synonym: no fun
Brexit ultras are trying to make that sound like a benign scenario by rebadging it as an “Australian-style” outcome, but this would be no picnic on Bondi beach. Source: Internet
Having to sleep on rough beds and endure cold showers is no picnic, especially with the drama that this season could bring. Source: Internet
Being overworked is no picnic, but your paying clients need to hear from you and receive a response to their emails. Source: Internet
It's no picnic, but it is treatable. Source: Internet
Much respect to the cooks at the Smelly Deli — whipping up food for college kids is no picnic. Source: Internet
But it is no picnic. Source: Internet