美 [pʌf əˈweɪ]
（尤指长时间地）吸烟：吸烟，尤其是长时间地吸烟。
... puff up 使骄傲自大 puff away 吹散;吹走 out of puff 气喘吁吁 ...
... stick 手杖 puff away 吹出气 switching capacitor 电容器投切 ...
吹走；吹风
Only four of the remaining 42 permitted smoking indoors, while the rest allowed patients or staff to puff away somewhere outdoors on hospital property.
其余的44家医院中，只有四家允许在室内吸烟，其他的医院则允许病人或者医护人员在医院范围内的户外吸烟。
The 27-foot-long silver trailer does not come with any seats, but has counters equipped with ashtrays and room enough for around 20 smokers to puff away to their heart's content.
这辆银色的拖车长27英尺，里面不设座位，取而代之的是安装了烟灰缸的柜台，可以容纳20个人左右。他们可以在这里尽情地吞云吐雾。
Basking in the glow of the bright supergiant star Rigel, the Witch Head Nebula trails like a puff of smoke through the Eridanus constellation about 700 light years away.
在明亮的超巨星参宿七的照耀下，女巫头星云的尾部就像一阵烟，穿过700光年远的波江座。
And ministers can be induced to water down bans on smoking in public places by decreeing more areas where people can still puff away.
ECONOMIST: Smoking, governments and health: A wisp of public-spiritedness | The
Nearly half a million Americans die from smoking--related illnesses each year, the biggest reversible mortality statistic in the Western world, yet 46 million adults and 3.2 million teenagers in the U.S. continue to puff away.
He was fully aware that some faraway control-room producer must have been anxiously cutting away every time he took a puff.