昔彼らはのろしで通信していた。

Sentence Analyzer

彼ら のろし 通信していた

English Translation

In the early days people communicated by smoke signals.

Furigana

(むかし)(かれ)らはのろしで通信(つうしん)していた。

Romanji

Mukashi karera wa noroshi de tsūshinshiteita.

Words

(むかし)
olden days; former
彼ら (かれら)
they (usually male); them
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
狼煙 (のろし、ろうえん、ほうか)
beacon; skyrocket; signal fire; smoke signals; starting shot; starting signal
(で、にて)
indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.
通信 (つうしん)
correspondence; communication; transmission; news; signal; telecommunications

Kanji

Readings: セキ、 シャク、 むかし
Meanings: once upon a time, antiquity, old times
Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ツウ、 ツ、 とお.る、 とお.り、 -とお.り、 -どお.り、 とお.す、 とお.し、 -どお.し、 かよ.う
Meanings: traffic, pass through, avenue, commute, counter for letters, notes, documents, etc.
Reading: シン
Meanings: faith, truth, fidelity, trust