- 飘飘然 [piāo piāo rán]
- smug; be carried away with one's own importance; be light-headed; be puffed up with pride; complacent; self-satisfied; walk on air:
feel quite self-satisfied; 心中飘飘然
His head is easily turned by even a small achievement. 他这个人有了一点成绩就飘飘然了。
He got off on heroin.