His face assumed a sort of dreamy expression.

他脸上现出一种恍惚的表情。

...dreamy shots of beautiful sunsets.

梦幻般的美丽晚霞的照片

...a dreamy, delicate song.

一首轻柔美妙的歌曲

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。

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。