おじいさんの年齢は僕の年齢の５倍だ。
Sentence Analyzer
English Translation
My grandfather is five times as old as I am.
Furigana
おじいさんの年齢 は僕 の年齢 の５倍 だ。
Romanji
Ojiisan no nenrei wa boku no nenrei no go bai da.
Words
お祖父さん
(おじいさん)
grandfather; male senior-citizen
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
年齢
(ねんれい)
age; years
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
僕
(ぼく)
I; me; you; manservant
五
(ご、いつ、い)
five
倍
(ばい)
twice; double; times; -fold
だ
(だ)
be; is; indicates past or completed action; indicates light imperative