as far as I know
噂は僕の知る限り本当ではない。
As far as I know, the rumor isn't true.
僕の知る限り食べ物は健康な体に必要なものでも父さんは…エサは燃料だ
As far as I know, food is necessary for a healthy body, but Dad… feed is fuel.
— レミーのおいしいレストラン (2007)
私が知る限りスミスさんは控え目な人だった。
As far as I know, Mr. Smith was a reserved person.