彼らの親密さは年月とともに深まった。

Sentence Analyzer

彼らの親密さは年月とともに深まった。

English Translation

Their intimacy grew with the years.

Furigana

彼(かれ)らの親密(しんみつ)さは年月(としつき)とともに深(ふか)まった。

Romanji

Karera no shinmitsusa wa toshitsuki totomoni fukamatta.

Words

彼ら (かれら)

they (usually male); them

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

親密 (しんみつ)

intimacy; friendship

は (は)

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

年月 (としつき、ねんげつ)

months and years

と共に (とともに)

together with; as X, then Y (e.g. as we age we gain wisdom, as wine matures it becomes more valuable, etc.)

深まる (ふかまる)

to deepen; to heighten; to intensify