ハウスダストにアレルギーがあります。
Sentence Analyzer
English Translation
        He is allergic to house dust.
    
Furigana
        ハウスダストにアレルギーがあります。
    
Romanji
        Hausu dasuto ni arerugi- ga arimasu.
    
Words
            
                ハウス
            
            
                (ハウス)
            
        
        
            house; plastic greenhouse; house music
        
    
            
                ダスト
            
            
                (ダスト)
            
        
        
            dust
        
    
            
                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
        
    
            
                アレルギー
            
            
                (アレルギー)
            
        
        
            allergy
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                有る
            
            
                (ある)
            
        
        
            to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about