同义词是challenges，中文意思是n，困难，磨难
例如，他们面对困难表现了坚强的毅力。
They showed great perseverance in the face of difficulties
有件事给了我克服困难的勇气。
Something gave me the strength to overcome the difficulties.
政府在面临多重困难时表现得很出色。
The government performed competently in the face of multiple challenges.
