要するに彼が間違っていたのです。
Sentence Analyzer
English Translation
In brief, he was wrong.
Furigana
Romanji
Yōsuruni kare ga machigatteita no desu.
Words
要するに
(ようするに)
in a word; after all; the point is ...; in short ...; to put simply; the long and short of it is that ....
彼
(かれ)
he; him; his; boyfriend
が
(が)
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
間違う
(まちがう)
to make a mistake; to be incorrect; to be mistaken
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
です
(です)
be; is