困り果てる， 困りはてる， こまりはてる
1. to be at a complete loss, to be without recourse, to be completely stymied, to have absolutely no idea what to do
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ひろしは困り果てているのよ。レポートを書くのに必要な一冊しかない本をなくしてしまったの。
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Hiroshi is worn out with worry since he lost the only copy of the book he needed for his report.
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彼女は息子に困り果てている。時には３時か４時まで戻ってこないのだ。
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She is at her wit's end with her son. He sometimes does not come home until 3 or 4 a.m.
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日が暮れて僕はどうしてよいか困り果てた。
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It got dark and I was at loss what to do.
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日が暮れて僕はどうしたらよいか困り果てた。
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It got dark and I was at a loss what to do.
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私はこの難問に困り果てている。
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I'm at my wit's end with this difficult problem.
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困り果てて言葉につまった。
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I was at a loss for words.
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困り果てて何をしてよいかわからなかった。
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We were at a loss what to do.
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