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to finish writing; to complete
to write down (e.g. a list); to write out
徹夜で論文を書き上げた。
I finished writing the paper by staying up all night.
依頼された原稿をようやく書き上げる。
I finally complete the requested manuscript.
三日かけて企画書が書き上げられた。
The proposal was completed over three days.