careless, sophisticated lifestyle
definitions
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A way of living characterized by refinement, worldly experience, and high social status, but marked by a lack of responsibility, caution, or concern for consequences.ja: 無責任で洗練された生活
examples
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Despite his wealth, he lived a careless, sophisticated lifestyle, spending his days at exclusive parties and traveling the world without a plan.
富んでいたにもかかわらず、彼は無責任で洗練されたライフスタイルを送り、高級なパーティーで日々を過ごし、計画もなく世界中を旅していた。