僕たちのクラスは男子40人からなっている。

Sentence Analyzer

僕たち くらす 男子 から なっている

English Translation

Our class consists of 40 boys.

Furigana

(ぼく)たちのクラスは男子(だんし)40(にん)からなっている。

Romanji

Bokutachi no kurasu wa danshi yon zero nin kara natteiru.

Words

僕達 (ぼくたち)
we
()
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
クラス (クラス)
class
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
男子 (だんし)
youth; young man
(し、よん、よ)
four
(まる)
circle (sometimes used for zero); 'correct' (when marking); symbol used as a placeholder (either because a number of other words could be used in that position, or because of censorship); period; full stop; maru mark; semivoiced sound; p-sound
(じん)
-ian (e.g. Italian); -ite (e.g. Tokyoite); indicates nationality, race, origin, etc.; -er (e.g. performer, etc.); person working with ...; indicates expertise (in a certain field); (usu. in compound words) man; person; people
から (から)
from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since
成る (なる)
to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...

Kanji

Readings: ボク、 しもべ
Meanings: me, I (male)
Readings: ダン、 ナン、 おとこ、 お
Meaning: male
Readings: シ、 ス、 ツ、 こ、 -こ、 ね
Meanings: child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac
Readings: ジン、 ニン、 ひと、 -り、 -と
Meaning: person