千慮一失
せんりょいっしつ
せんりょのいっしつ
noun (common) (futsuumeishi)
mere slip by someone who is usually very careful
simple mistake by a wise person
point overlooked by a cautious person
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千慮の一失
せんりょのいっしつ
noun (common) (futsuumeishi)
the mistake of a wise man
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