名词
中文翻译：意志消沉
同义词：
['feeling of depression', 'low spirits']
例句：
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1. He felt a wave of despair wash over him as he faced the challenges ahead.
面对前方的挑战，他感到一股绝望的浪潮席卷而来。
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2. After months of hard work, she finally realized that her efforts had not paid off, and she was feeling very down.
经过数月的努力工作，她最终意识到她的付出并没有得到回报，心情非常低落。
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3. The news of his failure left him feeling hopeless and defeated, leading to a period of deep self-reflection.
他失败的消息让他感到绝望和挫败，导致他陷入了深深的自我反思期。