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to make; to manufacture
母は毎朝、弁当をこしらえてくれる。
My mother prepares a lunch box every morning.
祖父は木で小さな人形をこしらえた。
My grandfather made a small doll out of wood.
言い訳をこしらえて遅刻を誤魔化した。
I made up an excuse to cover up being late.