大家好，今天我們分享一個非常有用且地道的表達——吸二手菸， 相信很多人都受到過這樣的困擾，我們來學習一下它的英文表達：
passive smoking 被動吸菸，吸二手菸 n.
Doctors say passive smoking has caused his lung cancer.
醫生說被動吸菸導致他患上了肺癌。
It's a sad truth that children are the biggest victims of passive smoking.
可悲的事實是，孩子們是吸二手菸的最大受害者。
Passive smoking can be hazardous to health.
吸二手菸會有害健康。
As we all know, passive smoking is nothing less serious than "active" smoking.
據我們所知，吸二手菸與主動吸菸的危害同樣嚴重。
If you want to try to avoid passive smoking in public, tell those who smoke cigarretes to put out or get out of here.
如果你想在公共場合避免吸二手菸，告訴那些吸菸者們熄滅它，或讓他們去別的地方。
The activity aims to raise awareness of the dangers of passive smoking.
這個活動旨在使人們意識到被動吸菸的危害。