as far as I know; to the best of my knowledge
Used to qualify a statement, indicating that the speaker is stating what they know, but may not have complete information. Often followed by では or だと.
As far as I know, he hasn't arrived yet.
To the best of my knowledge, that plan has been canceled.
Standard kanji spelling.
Kana spelling of 限り; common in everyday writing.
Phrase composed of 知る (to know) and 限り (limit, as far as).