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challenging
Example
Solving the puzzle proved to be challenging, requiring creative thinking and problem-solving skills.
Climbing the steep mountain trail was challenging, testing the hiker's endurance and determination.
Learning a new language can be challenging, especially mastering grammar and pronunciation.
Example
His challenging questions made everyone rethink their assumptions.
The film presented a challenging perspective on modern society.
The article was challenging, sparking a lively debate.
word family
challenge
Verb
challenging
Adjective
unchallenging
Adjective
近隣の言葉
