be walking/floating on air idiom
欢天喜地;得意洋洋
to be very happy and excited because something very good has happened to you
Ever since she met Mark, she's been walking on air. 自打遇到马克那天起，她每天都是喜气洋洋的。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。