彼女を驚かせようという考えが突然私の頭にひらめいた。
Sentence Analyzer
English Translation
        The idea of surprising her suddenly crossed my mind.
    
Furigana
Romanji
        Kanojo o odorokaseyou toiu kangae ga totsuzen watashi no atama ni hirameita.
    
Words
            
                彼女
            
            
                (かのじょ)
            
        
        
            she; her; her; girlfriend; sweetheart
        
    
            
                を
            
            
                (を)
            
        
        
            indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
        
    
            
                驚く
            
            
                (おどろく)
            
        
        
            to be surprised; to be astonished
        
    
            
                と言う
            
            
                (という、とゆう)
            
        
        
            called; named; as many as; as much as; all X; every X
        
    
            
                考え
            
            
                (かんがえ)
            
        
        
            thinking; thought; view; opinion; concept; idea; notion; imagination; intention; plan; design; consideration; judgement; deliberation; reflection; wish; hope; expectation
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                突然
            
            
                (とつぜん)
            
        
        
            abrupt; sudden; unexpected; all at once
        
    
            
                私
            
            
                (わたし、わたくし)
            
        
        
            I; me; private affairs; personal matter; secrecy; selfishness
        
    
            
                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
        
    
            
                頭
            
            
                (あたま、かしら)
            
        
        
            head; hair (on one's head); mind; brains; intellect; leader; chief; boss; captain; top; tip; beginning; start; head; person; top structural component of a kanji
        
    
            
                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
        
    
            
                閃く
            
            
                (ひらめく)
            
        
        
            to flash (lightning, etc.); to flicker (lights); to glitter; to wave; to undulate; to hit on a good idea; to occur to someone
        
    Kanji
Readings: ヒ、 かれ、 かの、 か.の
                        Meanings: he, that, the
                    Readings: ジョ、 ニョ、 ニョウ、 おんな、 め
                        Meanings: woman, female
                    Readings: キョウ、 おどろ.く、 おどろ.かす
                        Meanings: wonder, be surprised, frightened, amazed
                    Readings: コウ、 かんが.える、 かんが.え
                        Meanings: consider, think over
                    Readings: トツ、 カ、 つ.く
                        Meanings: stab, protruding, thrust, pierce, prick, collision, sudden
                    Readings: ゼン、 ネン、 しか、 しか.り、 しか.し、 さ
                        Meanings: sort of thing, so, if so, in that case, well
                    Readings: シ、 わたくし、 わたし
                        Meanings: private, I, me
                    Readings: トウ、 ズ、 ト、 あたま、 かしら、 -がしら、 かぶり
                        Meanings: head, counter for large animals