彼はわがままだったので昇進できなかった。
Sentence Analyzer
English Translation
His selfishness got in the way of his promotion.
Furigana
Romanji
Kare wa wagamama datta node shōshin dekinakatta.
Words
彼
(かれ)
he; him; his; boyfriend
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
我が儘
(わがまま)
selfishness; egoism; self-indulgence; wilfulness; willfulness; disobedience; whim
だ
(だ)
be; is; indicates past or completed action; indicates light imperative
ので
(ので、んで)
that being the case; because of ...; the reason is ....; given that...
昇進
(しょうしん)
promotion; advancement; rising in rank
出来る
(できる)
to be able (in a position) to do; to be up to the task; to be ready; to be completed; to be made; to be built; to be good at; to be permitted (to do); to become intimate; to take up (with somebody); to grow; to be raised; to become pregnant