副词有朝一日; 有一天，某一天; 改天，他日; 明儿

ph.

1. We will meet again some day.
    后会有期。

1. 有朝一日：913. so as to如此......以致于 | 914. some day有朝一日 | 915. as soon as 一...就

2. 将来有一天：so as to 为的是;使得 | some day 将来有一天 | sooner or later 迟早

3. 来日;将来某一日：28.take sb. for a walk 带......去散步 | 29.some day 来日,将来某一日 | 30.say goodby to 向......告别

1. （将来的）某一天;有朝一日
    Some day means at a date in the future that is unknown or that has not yet been decided.

    e.g. Some day I'll be a pilot...
           有朝一日，我会成为一名飞行员。
    e.g. He took her left hand, hoping that it would someday bear a gold ring on the third finger.
           他捧起她的左手，希望这只手的中指有朝一日会戴上一枚金戒指。