返す， 反す， かえす
1. to return (something), to restore, to put back
2. to turn over, to turn upside down, to overturn
3. to pay back, to retaliate, to reciprocate
4. to respond (with), to retort, to reply, to say back
5. to do ... back (e.g. speak back, throw back)
6....
返还；回应（以），反驳，答复，回敬；做……回来（例如：顶嘴，扔回去）；再做，反复做
ムクドリのヒナを親鳥に返せますか。
tbd
Can you return starling chicks to their parents?
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いつ返してもらってもいいですよ。その本は布教用に買った本ですから。
tbd
You can give it back whenever you want to as I bought that book for missionary work.
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明日そのテープを返してください。
tbd
Please bring back the tape tomorrow.
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僕はケンにそのかばんを返した。
tbd
I gave the bag back to Ken.
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忘れずにその本を図書館に返して下さい。
tbd
Don't forget to return the book to the library.
別忘了把書還給圖書館。
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必ず明日その本を返しなさい。
tbd
Don't fail to return the book tomorrow.
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彼らはみんなお金を返せと叫んでいます。
tbd
They're all clamoring to get their money back.
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彼は約束を守る人なので彼が君に借りているものは必ず返すだろう。
tbd
As he is a man of his word, he will surely pay what he owes to you.
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彼は図書館から借りた本をまだ返していない。
tbd
He still hasn't returned the book he borrowed from the library.
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彼は借りた本を図書館に返すのを忘れることがある。
tbd
He sometimes forgets to take books back to the library.
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