彼らは一年中働かなければならなかった。
Sentence Analyzer
English Translation
        They had to work all year round.
    
Furigana
Romanji
        Karera wa ichinenjū hatarakanakerebanaranakatta.
    
Words
            
                彼ら
            
            
                (かれら)
            
        
        
            they (usually male); them
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                一年中
            
            
                (いちねんじゅう、いちねんぢゅう)
            
        
        
            all year round
        
    
            
                働く
            
            
                (はたらく)
            
        
        
            to work; to labor; to labour; to function; to operate; to be effective; to work (i.e. ... works); to come into play; to commit (e.g. a crime); to perpetrate; to do; to act; to practise; to practice; to be conjugated
        
    Kanji
Readings: ヒ、 かれ、 かの、 か.の
                        Meanings: he, that, the
                    Readings: イチ、 イツ、 ひと-、 ひと.つ
                        Meanings: one, one radical (no.1)
                    Readings: ネン、 とし
                        Meanings: year, counter for years
                    Readings: チュウ、 なか、 うち、 あた.る
                        Meanings: in, inside, middle, mean, center
                    Readings: ドウ、 リュク、 リキ、 ロク、 リョク、 はたら.く
                        Meanings: work, (kokuji)