ドアを開けると彼が寝ていた。

Sentence Analyzer

ドア 開ける 寝ていた

English Translation

When I opened the door, I found him asleep.

Furigana

ドアを()けると(かれ)()ていた。

Romanji

Doa o akeru to kare ga neteita.

Words

ドア (ドア)
door (Western-style)
()
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.
開ける (あける)
to open (a door, etc.); to unwrap (e.g. parcel, package); to unlock; to open (for business, etc.); to empty; to remove; to make space; to make room; to move out; to clear out; to be away from (e.g. one's house); to leave (temporarily); to dawn; to grow light; to end (of a period, season); to begin (of the New Year); to leave (one's schedule) open; to make time (for); to make (a hole); to open up (a hole)
()
if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)
(かれ)
he; him; his; boyfriend
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
寝る (ねる)
to lie down; to go to bed; to lie in bed; to sleep (lying down); to sleep (with someone, i.e. have intercourse); to lie idle

Kanji

Readings: カイ、 ひら.く、 ひら.き、 -びら.き、 ひら.ける、 あ.く、 あ.ける
Meanings: open, unfold, unseal
Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: シン、 ね.る、 ね.かす、 い.ぬ、 みたまや、 や.める
Meanings: lie down, sleep, rest, bed, remain unsold