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虚しい, 空しい, むなしい
1. empty, void, vacant
2. vain, fruitless, futile, ineffective
3. lifeless
空的、虚无的、空荡的;徒劳的、无果的;毫无生机
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廃墟, 廃虚, はいきょ
1. ruins (of a building, town, etc.), remains
废墟(建筑、城镇等的),遗迹