It's 'useless' trying to change her mind. = It's 'useless' to try to change her mind.
Drugs are 'useless' in treating the condition.
I made a 'useless' attempt at fixing the leak.
(..) Yeah, I heard him kind of dodge that earlier. Yeah. We've been together for five years. If he can't talk about his feelings and his problems, then it's useless. I think what you need is a good one-night stand. Great sex cures all. I could never cheat on Trent with another guy. (..)2009 The Black Waters of Echo's Pond