らんさく

乱作
濫作
overproduction

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らんさく【濫作･乱作】

overproduction; excessive production.

～する overproduce; produce excessively; 〔作家などが〕 write many books [produce many works] at reckless speed; overwrite.

●乱作で筆が荒れる the quality of one's writing declines when one writes too much.