
Challenge
Effort Required
Use 'challenge' to describe situations needing extra effort and determination.

Learning a new language is a significant challenge.
Problem Solving
'Challenge' often implies a problem has an achievable solution.

The Sudoku puzzle posed a pleasant challenge.
Growth Opportunities
Challenges can be seen as opportunities for personal growth or improvement.

He viewed the tough assignment as a challenge to improve his skills.
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AdversityDifficultHurdleObstacleProblemStruggleTestTrial
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