彼らはそれをはじめからずっと知っていたに違いない。

Sentence Analyzer

彼ら それ はじめ から ずっと 知っていた 違いない

English Translation

They must have known it all along.

Furigana

(かれ)らはそれをはじめからずっと()っていたに(ちが)いない。

Romanji

Karera wa sore o hajime kara zutto shitteita ni chigainai.

Words

彼ら (かれら)
they (usually male); them
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
其れ (それ)
that (indicating an item or person near the listener, the action of the listener, or something on their mind); it; that time; then; there (indicating a place near the listener); you
()
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
始め (はじめ)
beginning; start; outset; opening; first (in line, etc.); origin; such as ...; not to mention ...
から (から)
from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since
ずっと (ずっと、ずーっと、ずうっと)
continuously in some state (for a long time, distance); throughout; all along; the whole time; all the way; much (better, etc.); by far; far and away; far away; long ago; direct; straight
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
()
at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
違い (ちがい)
difference; discrepancy

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: チ、 し.る、 し.らせる
Meanings: know, wisdom
Readings: イ、 ちが.う、 ちが.い、 ちが.える、 -ちが.える、 たが.う、 たが.える
Meanings: difference, differ