警察はその件を調査することを約束した。

Sentence Analyzer

警察 その 調査する こと 約束した

English Translation

The police promised to look into the matter.

Furigana

警察(けいさつ)はその(けん)調査(ちょうさ)することを約束(やくそく)した。

Romanji

Keisatsu wa sono ken o chōsasuru koto o yakusokushita.

Words

警察 (けいさつ)
police; police officer; police station
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
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...
(けん)
matter; case; item; affair; subject
()
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.
調査 (ちょうさ)
investigation; examination; inquiry; enquiry; survey
(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
約束 (やくそく)
promise; agreement; arrangement; one's word; contract; pact; appointment; engagement; date; convention; rule; destiny; fate

Kanji

Readings: ケイ、 いまし.める
Meanings: admonish, commandment
Reading: サツ
Meanings: guess, presume, surmise, judge, understand
Readings: ケン、 くだん
Meanings: affair, case, matter, item
調
Readings: チョウ、 しら.べる、 しら.べ、 ととの.う、 ととの.える
Meanings: tune, tone, meter, key (music), writing style, prepare, exorcise, investigate, harmonize, mediate
Reading: 
Meaning: investigate
Readings: ヤク、 つづ.まる、 つづ.める、 つづま.やか
Meanings: promise, approximately, shrink
Readings: ソク、 たば、 たば.ねる、 つか、 つか.ねる
Meanings: bundle, sheaf, ream, tie in bundles, govern, manage, control