彼が成功したのはよく働いたらです。
Sentence Analyzer
English Translation
        His success is the result of hard work.
    
Furigana
Romanji
        Kare ga seikōshita no wa yoku hataraitara desu.
    
Words
            
                彼
            
            
                (かれ)
            
        
        
            he; him; his; boyfriend
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                成功
            
            
                (せいこう)
            
        
        
            success; hit
        
    
            
                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
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                良く
            
            
                (よく)
            
        
        
            nicely; properly; well; skillfully; skilfully; frequently; often
        
    
            
                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
        
    
            
                です
            
            
                (です)
            
        
        
            be; is