彼が息子を自慢するのはもっともです。

Sentence Analyzer

息子 自慢する もっとも です

English Translation

He's every reason to be proud of his son.

Furigana

(かれ)息子(むすこ)自慢(じまん)するのはもっともです。

Romanji

Kare ga musuko o jimansuru no wa mottomo desu.

Words

(かれ)
he; him; his; boyfriend
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
息子 (むすこ、そく)
son; penis
()
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.
自慢 (じまん)
pride; boast
()
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
尤も (もっとも)
but then; although; though; reasonable; natural; just
です (です)
be; is

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ソク、 いき
Meanings: breath, respiration, son, interest (on money)
Readings: シ、 ス、 ツ、 こ、 -こ、 ね
Meanings: child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac
Readings: ジ、 シ、 みずか.ら、 おの.ずから、 おの.ずと
Meaning: oneself
Reading: マン
Meanings: ridicule, laziness