Use "hard row to hoe" in a sentence

1. They have a hard row to hoe.

2. I think in my biocentrism, which is a hard row to hoe in an Anthropocentric, increasingly anthropogenic world.

3. ‘The well-intentioned exhortation to replace anthropocentrism with Biocentrism, if pushed very far, becomes a curious contradiction.’ ‘Thus, a trend toward what as called Biocentrism emerged.’ ‘I think in my Biocentrism, which is a hard row to hoe in an anthropocentric, increasingly anthropogenic world.’