1. He led a dreamy existence.
    他过着如梦的生活。

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2. Isn''t that dress dreamy!
    那件衣裳好漂亮！

3. The misty scene had a dreamy quality about it.
    雾景给人以梦幻般的感觉。

1.

1. 空幻的：dreamer:梦想者 | dreamy:空幻的 | dreamful:多梦的

2. 梦幻是多美、多神秘：Fairy 仙女,不过是小而可爱的那种. | Dreamy梦幻是多美、多神秘 | Flower 花,缤纷无比

3. 恍惚的：dreamscape 梦幻景象 | dreamy 恍惚的 | dreamy state 梦样状态

1. 恍惚的;出神的
    If you say that someone has a dreamy expression, you mean that they are not paying attention to things around them and look as if they are thinking about something pleasant.

    e.g. His face assumed a sort of dreamy expression.
           他脸上现出一种恍惚的表情。

2. 轻柔的;柔和的;梦幻（般）的
    If you describe something as dreamy, you mean that you like it and that it seems gentle and soft, like something in a dream.

    e.g. ...dreamy shots of beautiful sunsets.
           梦幻般的美丽晚霞的照片
    e.g. ...a dreamy, delicate song.
           一首轻柔美妙的歌曲

3. 不切实际的;爱空想的
    If you describe a person or an idea as dreamy, you mean that they are not very practical.

    e.g. He''s like some dreamy kid playing on his own...
           他就像是个自娱自乐的爱幻想的孩子。
    e.g. The changes would move the party away from the dreamy leftism that alienated many Japanese.
           这些变革将使该党摆脱不切实际的“左倾”思想的影响,正是这些“左倾”思想让很多日本人离他们而去。

4. see also: dreamily

1. dreamy in mood or nature

    e.g. a woolgathering moment

    Synonym: moonywoolgathering

2. lacking spirit or liveliness

    e.g. a lackadaisical attempt
           a languid mood
           a languid wave of the hand
           a hot languorous afternoon

    Synonym: lackadaisicallanguidlanguorous