私の記憶が確かなら彼らはいとこ同士だ。

Sentence Analyzer

私の記憶が確かなら彼らはいとこ同士だ。

English Translation

They are cousins, if I remember rightly.

Furigana

私(わたし)の記憶(きおく)が確(たし)かなら彼(かれ)らはいとこ同士(どうし)だ。

Romanji

Watashi no kioku ga tashika nara karera wa itoko dōshi da.

Words

私 (わたし、わたくし)

I; me; private affairs; personal matter; secrecy; selfishness

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

記憶 (きおく)

memory; recollection; remembrance; storage

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

確か (たしか)

sure; certain; positive; definite; reliable; trustworthy; safe; sound; firm; accurate; correct; exact; If I'm not mistaken; If I remember correctly; If I remember rightly

だ (だ)

be; is; indicates past or completed action; indicates light imperative

彼ら (かれら)

they (usually male); them

は (は)

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

従兄弟 (いとこ、じゅうけいてい)

cousin (male)

同士 (どうし、どし)

fellow; mutual; companion; comrade