Be a bed of nails British phrase UK informal
To be painful, difficult, or unpleasant.
Living with strangers in a shared apartment is a bed of nails.
Eating out with Leo is a bed of nails. He is so talkative that I can't get a word in edgeways.
Her brother's care has been a bed of nails for her all these years.
It is difficult for someone (not) to do something.
To be put in a bad mood
Used to refer to an unpleasant, repellent place, thing or person
The verb "be" should be conjugated according to its tense.
To complain that something is unfair or illegal.
When the parents buy toys for only one of their children, the others may cry foul.