e.g. Climbing a mountain is a difficult task.
e.g. They have encountered a difficult problem with no solution. He is having a difficult time with his poor health.
e.g. He is a difficult person because he always wants things to go his way.
e.g. This is a difficult topic that you will need to study.
"Disciplining yourself to do what you know is right and importance, although difficult, is the highroad to pride, self-esteem, and personal satisfaction." -- Brian Tracy
pain in the neck
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