形容词
中文翻译：无忧的
同义词：
['free from worry', 'worry-free']
例句：
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1. He felt completely at ease in his new job.
他在新工作中感到完全无忧无虑。
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2. The child was free from any worries about school.
这个孩子对学校没有任何忧虑。
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3. She is free from all worries and just enjoys life.
她摆脱了所有忧虑，只享受生活。