彼らは私がそこにいないことに気付かなかった。

Sentence Analyzer

彼ら そこ いない こと 気付かなかった

English Translation

They were not aware that I was not there.

Furigana

(かれ)らは(わたし)がそこにいないことに気付(きづ)かなかった。

Romanji

Karera wa watashi ga soko ni inai koto ni kizukanakatta.

Words

彼ら (かれら)
they (usually male); them
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
(わたし、わたくし)
I; me; private affairs; personal matter; secrecy; selfishness
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
其処 (そこ)
there (place relatively near listener); there (place just mentioned); that place; then (of some incident just spoken of); that (of point just raised); you
()
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
要る (いる)
to need; to want
(こと、こん)
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
気付く (きづく)
to notice; to recognize; to recognise; to become aware of; to perceive; to realize; to realise

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: シ、 わたくし、 わたし
Meanings: private, I, me
Readings: キ、 ケ、 いき
Meanings: spirit, mind, air, atmosphere, mood
Readings: フ、 つ.ける、 -つ.ける、 -づ.ける、 つ.け、 つ.け-、 -つ.け、 -づ.け、 -づけ、 つ.く、 -づ.く、 つ.き、 -つ.き、 -つき、 -づ.き、 -づき
Meanings: adhere, attach, refer to, append