そのことは確かな筋から聞いた。

that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

sure; certain; positive; definite; reliable; trustworthy; safe; sound; firm; accurate; correct; exact; If I'm not mistaken; If I remember correctly; If I remember rightly

muscle; tendon; sinew; vein; artery; fiber; fibre; string; line; stripe; streak; reason; logic; plot; storyline; lineage; descent; school (e.g. of scholarship or arts); aptitude; talent; source (of information, etc.); circle; channel; well-informed person (in a transaction); logical move (in go, shogi, etc.); ninth vertical line; seam on a helmet; gristly fish paste (made of muscle, tendons, skin, etc.); social position; status; on (a river, road, etc.); along; counter for long thin things; counter for roads or blocks when giving directions; (Edo period) counter for hundreds of mon (obsolete unit of currency)

from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since

to hear; to listen (e.g. to music); to ask; to enquire; to query; to learn of; to hear about; to follow (advice); to comply with; to smell (esp. incense); to sample fragrance