“only + to do”意为“……，结果却……”，即表示与句子谓语动作的目的相反的结果。
    例1: They don"t have to pay for expensive seats at the theatre, the cinema or the opera, only to discover, perhaps, that the show is disappointing.
    译文：他们不必花钱去戏院、电影院或歌剧院买价格很贵的票，（如果去了，）结果却可能发现，所演的节目令人失望。
    例2: They hurried there only to find the meeting canceled.
    译文：他们匆匆忙忙赶到那儿，结果却发现会议被取消了。
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