challenging
例子
Solving the puzzle proved to be challenging, requiring creative thinking and problem-solving skills.
解决这个谜题被证明是具有挑战性的，需要创造性思维和解决问题的能力。
Climbing the steep mountain trail was challenging, testing the hiker's endurance and determination.
攀登陡峭的山路很有挑战性，考验了徒步者的耐力和决心。
例子
His challenging questions made everyone rethink their assumptions.
他发人深省的问题让每个人都重新思考了自己的假设。
The film presented a challenging perspective on modern society.
这部电影提出了一个关于现代社会的发人深省的观点。
词汇树
unchallenging
challenging
challenge
