This is the 3904th most frequent Chinese word.
不慎
"Unintentionally" or "carelessly."
Here, '不慎' indicates an unintentional or careless action.
他不慎打破了杯子。
He accidentally broke the glass.
In this sentence, '不慎' implies a lack of care or attention leading to a mistake.
她不慎遗漏了重要的文件。
She carelessly overlooked important documents.
The term '不慎' reflects the occurrence of an incident due to lack of caution or attention.