サイズは9だと思います。
Sentence Analyzer
English Translation
        Size 9, I think.
    
Furigana
        サイズは9だと思 います。
    
Romanji
        Saizu wa kyū da to omoimasu.
    
Words
            
                サイズ
            
            
                (サイズ)
            
        
        
            size
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                九
            
            
                (きゅう、く、ここの、この、ここ)
            
        
        
            nine
        
    
            
                だ
            
            
                (だ)
            
        
        
            be; is; indicates past or completed action; indicates light imperative
        
    
            
                と
            
            
                (と)
            
        
        
            if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)
        
    
            
                思う
            
            
                (おもう)
            
        
        
            to think; to consider; to believe; to think (of doing); to plan (to do); to judge; to assess; to regard; to imagine; to suppose; to dream; to expect; to look forward to; to feel; to desire; to want; to recall; to remember
        
    Kanji
Readings: シ、 おも.う、 おもえら.く、 おぼ.す
                        Meaning: think