予定は守らなければならない。
Sentence Analyzer
English Translation
        The schedule must be maintained.
    
Furigana
Romanji
        Yotei wa mamoranakerebanaranai.
    
Words
            
                予定
            
            
                (よてい)
            
        
        
            plans; arrangement; schedule; program; programme; expectation; estimate
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                守る
            
            
                (まもる)
            
        
        
            to protect; to guard; to defend; to keep (i.e. a promise); to abide (by the rules); to observe; to obey; to follow