彼らはひと月に一度手紙を書いた。

Sentence Analyzer

彼ら ひと月 手紙 書いた

English Translation

They wrote a letter to each other once a month.

Furigana

(かれ)らはひと(つき)(いち)()手紙(てがみ)()いた。

Romanji

Karera wa hitotsuki ni ichi do tegami o kaita.

Words

彼ら (かれら)
they (usually male); them
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
一月 (ひとつき、いちげつ)
one month
()
at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
(いち)
one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)
()
degree (angle, temperature, scale, etc.); counter for occurrences and times; strength (of alcohol)
手紙 (てがみ)
letter
()
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.
書く (かく)
to write; to compose; to pen; to draw; to paint

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ゲツ、 ガツ、 つき
Meanings: month, moon
Readings: イチ、 イツ、 ひと-、 ひと.つ
Meanings: one, one radical (no.1)
Readings: ド、 ト、 タク、 たび、 -た.い
Meanings: degrees, occurrence, time, counter for occurrences, consider, attitude
Readings: シュ、 ズ、 て、 て-、 -て、 た-
Meaning: hand
Readings: シ、 かみ
Meaning: paper
Readings: ショ、 か.く、 -が.き、 -がき
Meaning: write