知らない。
Words
知る
(しる)
to be aware of; to know; to be conscious of; to cognize; to cognise; to notice; to feel; to understand; to comprehend; to grasp; to remember; to be acquainted with (a procedure); to experience; to go through; to learn; to be acquainted with (a person); to get to know; to concern
Kanji
Readings: チ、 し.る、 し.らせる
Meanings: know, wisdom