彼女がいったいどうなってしまったのか、私にはわからない。
Sentence Analyzer
English Translation
        I really don't understand what's up with her.
    
Furigana
Romanji
        Kanojo ga ittai dō natteshimatta no ka, watashi ni wa wakaranai.
    
Words
            
                彼女
            
            
                (かのじょ)
            
        
        
            she; her; her; girlfriend; sweetheart
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                一体
            
            
                (いったい)
            
        
        
            ...the heck (e.g. "what the heck?"); ...in the world (e.g. "why in the world?"); ...on earth (e.g. "who on earth?"); one object; one body; unity; one form; one style; one Buddhist image (or carving, etc.); generally; in general
        
    
            
                如何
            
            
                (どう、いかが、いか)
            
        
        
            how; in what way; how about
        
    
            
                成る
            
            
                (なる)
            
        
        
            to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...
        
    
            
                の
            
            
                (の)
            
        
        
            indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
        
    
            
                か
            
            
                (か)
            
        
        
            indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way
        
    
            
                私
            
            
                (わたし、わたくし)
            
        
        
            I; me; private affairs; personal matter; secrecy; selfishness
        
    
            
                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
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                分かる
            
            
                (わかる)
            
        
        
            to understand; to comprehend; to grasp; to see; to get; to follow; to become clear; to be known; to be discovered; to be realized; to be realised; to be found out