#掛慮的, 擔心的, 不安的[(+about/for/over)] She is concerned about your safety. 她不放心你的安全。

#有關的; 參與的[(+in)] Everyone who was concerned in the affair regrets it very much. 參與此事的人對此都深感遺憾。

#關心的, 感興趣的[(+about/for)][+to-v][+that] She's most concerned to solve this problem. 她很想解決這個問題。

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