少年は模型飛行機の組み立てに夢中になっていた。

Sentence Analyzer

English Translation

The boy was engrossed in constructing a model plane.

Furigana

少年(しょうねん)は模型(もけい)飛行機(ひこうき)の組(く)み立(た)てに夢中(むちゅう)になっていた。

Romanji

Shōnen wa mokei hikōki no kumitate ni muchū ni natteita.

Words

少年 (しょうねん)

boy; juvenile; young boy; youth; lad

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

模型 (もけい)

model; dummy; maquette

飛行機 (ひこうき)

aeroplane; airplane; aircraft

の (の)

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

組み立て (くみたて)

construction; framework; erection; assembly; organization; organisation

に (に)

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

夢中 (むちゅう)

daze; (in a) trance; ecstasy; delirium; engrossment; within a (deep) dream

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 ...