picnic

[1]	garden party , field day , outing , meal alfresco , barbecue , (US) clam-bake , (US/Canadian) cookout
[2]	child's play , cinch , breeze , (Colloq) pushover , snap , snap , duck soup , cinch , piece of cake , child's play , pushover , walk-over , (US/Canadian) breeze , walkover , piece of cake , lead-pipe cinch
[3]	no picnic , difficult , arduous , torture , torturous , agony , agonizing , painful , disagreeable , discomfiting , misfortune , (Colloq) tough , tough luck , tough going , rough , a pain in the neck , (US) tough sledding , (Colloq) (Slang) pain in the (Brit) arse/(US) ass