like trying to scratch your ear with your elbow
Extremely difficult; seemingly impossible. Keeping this business afloat in this economy is like trying to scratch your ear with your elbow. Working a full-time job while raising three young kids on your own is like trying to scratch your ear with your elbow—you're better off finding someone who can give you a hand.
like tryin' to scratch your ear with your elbow
Rur. impossible. Getting those kids to settle down is like tryin' to scratch your ear with your elbow. Fixing all the leaks in that old roof is like tryin' to scratch your ear with your elbow.