No. 12,898 in Russian
лезвию
"Лезвию" is the dative case form of "лезвие," meaning "blade" in English.
In a sentence
Я острым лезвием порезал бумагу.
I cut the paper with a sharp blade.
Here, 'лезвием' is used in the instrumental case to denote the tool used for cutting.
Прими осторожность, ведь ты ходишь по тонкому лезвию.
Exercise caution, as you are walking on a thin edge.
In this instance, 'лезвию' is used metaphorically to describe a precarious situation, in the dative case as part of the prepositional structure.
Это лезвие мне больше не нужно.
I no longer need this blade.
Here, 'лезвие' is in the nominative case, serving as the subject of the sentence.
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