don't know, doesn't know
トムが一体何を考えていたのか、私はしらない。
I have no idea what Tom was thinking.
誰がこの問題をしらないんだ？
Who doesn't know about this problem?
彼は本当の自分をしらないようだ。
He doesn't seem to know his true self.
彼の住所をはっきりしらない。
I don't know his exact address.
ここにあったポテチしらない？
Do you know what happened to the potato chips that were here?
彼が君の侮辱を受けて怒っているのをしらないのか。
Don't you know he's angry because of your insult?
私は彼がどうなったかしらない。
I don't know what became of him.
彼女は私たちがここにいることをしらないかもしれない。
She may not know that we're here.