彼のむす子達が良い子であるのはまちがいない。

Sentence Analyzer

むす 子達 良い ある まちがいない

English Translation

There is no doubt that his sons are good boys.

Furigana

(かれ)のむす子達(こたち)()()であるのはまちがいない。

Romanji

Kare no musu kotachi ga yoi ko de aru no wa machigainai.

Words

(かれ)
he; him; his; boyfriend
()
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
蒸す (むす)
to steam (food, towel, etc.); to be hot and humid; to be sultry
子達 (こたち)
children
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
良い (よい)
good; excellent; fine; nice; pleasant; agreeable; sufficient (can be used to turn down an offer); ready; prepared; profitable (e.g. deal, business offer, etc.); beneficial; OK
()
child; young (animal); young woman; young geisha; offshoot; interest; new shares; player who is not a dealer (in cards, mahjong, etc.); bird egg; -er (often of young women)
()
be; is; indicates past or completed action; indicates light imperative
(ある)
a certain ...; some ...
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
間近い (まぢかい)
near at hand

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: シ、 ス、 ツ、 こ、 -こ、 ね
Meanings: child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac
Readings: タツ、 ダ、 -たち
Meanings: accomplished, reach, arrive, attain
Readings: リョウ、 よ.い、 -よ.い、 い.い、 -い.い
Meanings: good, pleasing, skilled