そのドアが独りでに閉まった。

Sentence Analyzer

その ドア 独りでに 閉まった

English Translation

The door shut of its own accord.

Furigana

そのドアが(ひと)りでに()まった。

Romanji

Sono doa ga hitorideni shimatta.

Words

其の (その)
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...
ドア (ドア)
door (Western-style)
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
独りでに (ひとりでに)
by itself; automatically; naturally
閉まる (しまる)
to be shut; to close; to be closed; to be firm (of a body, face, etc.); to be well-knit; to be locked; to tighten; to be tightened; to become sober; to become tense

Kanji

Readings: ドク、 トク、 ひと.り
Meanings: single, alone, spontaneously, Germany
Readings: ヘイ、 と.じる、 と.ざす、 し.める、 し.まる、 た.てる
Meanings: closed, shut