形容词
中文翻译：心情愉快的
同义词：
['cheerful', 'cheerful', 'merry']
例句：
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1.She is always light-hearted when she talks about her vacation plans.
她谈论她的假期计划时总是心情愉快。
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2. The children were light-hearted after their successful game.
孩子们在赢得比赛后心情轻松。
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3. He was light-hearted despite the tough situation he faced.
尽管他面临艰难的局势，但他依然心情轻松。