It is for that reason that I feel that sustainable - ish value products like Yuban have a really tough row to hoe. (coffeehabitat.com)
And though James Q. Wilson has not yet taken up the project of explaining this, when he does, he will find it a very tough row to hoe. (firstthings.com)
«It's anything but irrational, so that, in my judgement, would be a really tough row to hoe.» (buffalonews.com)