彼らは彼が階段を降りてくる音を聞いた。

Sentence Analyzer

彼ら 階段 降りてくる 聞いた

English Translation

They heard him come downstairs.

Furigana

(かれ)らは(かれ)階段(かいだん)()りてくる(おと)()いた。

Romanji

Karera wa kare ga kaidan o oritekuru oto o kiita.

Words

彼ら (かれら)
they (usually male); them
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
(かれ)
he; him; his; boyfriend
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
階段 (かいだん)
stairs; stairway; staircase
()
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.
降りる (おりる)
to descend (e.g. a mountain); to go down; to come down; to alight (e.g. from bus); to get off; to disembark; to dismount; to step down; to retire; to give up; to quit; to be granted; to be issued; to be given; to form (of frost, dew, mist, etc.); to be passed (from the body; e.g. of a roundworm)
(おと、ね、おん)
sound; noise; report; note; fame; Chinese-derived character reading
聞く (きく)
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

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: カイ、 きざはし
Meanings: storey, stair, counter for storeys of a building
Readings: ダン、 タン
Meanings: grade, steps, stairs
Readings: コウ、 ゴ、 お.りる、 お.ろす、 ふ.る、 ふ.り、 くだ.る、 くだ.す
Meanings: descend, precipitate, fall, surrender
Readings: オン、 イン、 -ノン、 おと、 ね
Meanings: sound, noise
Readings: ブン、 モン、 き.く、 き.こえる
Meanings: hear, ask, listen