彼を訪ねたとき、彼は忙しく働いていた。
Sentence Analyzer
English Translation
        When I called on him, he was hard at work.
    
Furigana
Romanji
        Kare o tazuneta toki, kare wa isogashiku hataraiteita.
    
Words
            
                彼
            
            
                (かれ)
            
        
        
            he; him; his; boyfriend
        
    
            
                を
            
            
                (を)
            
        
        
            indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
        
    
            
                訪ねる
            
            
                (たずねる)
            
        
        
            to visit
        
    
            
                とき
            
            
                (とき)
            
        
        
            regular (stops at every station) Jouetsu-line Shinkansen
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                忙しい
            
            
                (いそがしい、せわしい)
            
        
        
            busy; hectic; occupied; engaged
        
    
            
                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