形容词中文翻译
中文翻译：Unknown
同义词：
['gratefied', 'gratis', 'gratis', 'gratis']
例句：
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1. The movie was a gratuitous attack on the industry.
这部电影是对行业的无端攻击。
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2. He gave away his expensive watch as a gratuitous gesture of goodwill.
他慷慨地赠送了昂贵的手表，作为友好的象征。
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3. The company's decision to offer free upgrades was gratuitously generous.
公司决定提供免费升级服务，这无疑是过于慷慨了。