努力を怠ってはいけない。
Sentence Analyzer
English Translation
        You should never fail to make efforts.
    
Furigana
Romanji
        Doryoku o okotatte waikenai.
    
Words
            
                努力
            
            
                (どりょく)
            
        
        
            great effort; exertion; endeavour; endeavor; effort
        
    
            
                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.
        
    
            
                怠る
            
            
                (おこたる)
            
        
        
            to be negligent in doing something; to shirk; to be off one's guard
        
    
            
                ば
            
            
                (ば)
            
        
        
            if ... then; when; and; why don't you...?; the more (one does something); because; since