The Biden administration set out to resolve intractable social-economic problems that have plagued the community for years.
Jake mustered up his courage to face seemingly intractable problems.
He’s so sloppy. I don’t understand why he’s been struggling with the printer--it’s a doddle to set up and use.
Preparing for SAT is a doddle compared to this exam. This one’s a different beast, so be mentally prepared for an uphill battle.