アンディは、猛練習したにちがいない。
Sentence Analyzer
English Translation
        Andy must have practiced very hard.
    
Furigana
        アンディは、猛 練習 したにちがいない。
    
Romanji
        Andhi wa, mō renshūshita ni chigainai.
    
Words
            
                安貞
            
            
                (あんてい)
            
        
        
            Antei era (1227.12.10-1229.3.5)
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                猛
            
            
                (もう)
            
        
        
            greatly energetic; ferocious; extreme; severe
        
    
            
                練習
            
            
                (れんしゅう)
            
        
        
            practice; practising
        
    
            
                に
            
            
                (に)
            
        
        
            at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
        
    
            
                近い
            
            
                (ちかい)
            
        
        
            near; close; short (distance)