子供たちは授業の予習で忙しかった。

Sentence Analyzer

子供たちは授業の予習で忙しかった。

English Translation

The children were busy preparing their lessons.

Furigana

子供(こども)たちは授業(じゅぎょう)の予習(よしゅう)で忙(いそが)しかった。

Romanji

Kodomotachi wa jugyō no yoshū de isogashikatta.

Words

子供達 (こどもたち)

children

は (は)

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

授業 (じゅぎょう)

lesson; class work; teaching; instruction

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

予習 (よしゅう)

preparation for a lesson

で (で、にて)

indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.

忙しい (いそがしい、せわしい)

busy; hectic; occupied; engaged