2 sentences for 飘飘然 (piāo​piāo​rán)

1. 几杯美酒下肚，他感到有些飘飘然。

   jǐ bēi měi​jiǔ xià​dù, tā gǎn​dào yǒu​xiē piāo​piāo​rán.

   After a few drinks, he felt a bit light-headed.

   Source: Dong Chinese Dictionary

2. 他一受到表扬就有些飘飘然，变得不思进取了。

   tā yī shòu​dào biǎo​yáng jiù yǒu​xiē piāo​piāo​rán, biàn de bù sī jìn​qǔ le.

   He got a bit carried away after being praised and became complacent.

   Source: Dong Chinese Dictionary