be walking on air1 to feel very happy 欢天喜地be walking/floating on air• Martha felt that she was walking on air and when she entered the kitchen, Annie looked up.• She felt as though she was floating on air.
→ be walking/floating on air at air1(6)
2 HAPPYto be feeling extremely happy 得意扬扬,感到飘飘然be walking on air• On my first day, I earned $190, and I was walking on air.• She felt as though she was walking on air.• Martha felt that she was walking on air and when she entered the kitchen, Annie looked up.
→ be walking on air at walk1(3)