1. 消除误会：Be in the air 将要发生的事情 | Clear the air 消除误会 | Cost an arm and a leg 极其昂贵
2. 清除误会;清除隔阂：clean hands. 清正廉洁 | clear the air 清除误会;清除隔阂 | cold comfort 不起作用的安慰
3. 使空气流通：clear text 明码电文 | clear the air 使空气流通 | clear the atmosphere 消除误会
4. 使空气流通, 使空气变得新鲜 澄清事实; 消除误解：beat the air (拳击)打空; 白费力气, 徒劳 | clear the air 使空气流通, 使空气变得新鲜 澄清事实; 消除误解 | disappear into thin air 不知去向, 消失得无影无踪
1. Travel experts have said the new promotions and services are a clear indication of the " accelerating " competition between rail and air travel providers.
2. Snow forecast for today should help clear the air, he said.
3. I am impressed at how clear the air has become in many cities and how clean the water has become in many regions in China.
4. That's the message being pushed by environmental experts in a campaign to clear the air in China's cities.
5. It was not immediately clear whether the air strikes would have any impact on a possible agreement.
6. He said rainmaking would be used as an emergency measure during the Games to clear the gloomy air.
7. Fine weather, cool and fresh air and clear water are the the most enjoyable.
8. The cool mountain air was clear, clean and the sky a deep clear blue.
9. Let us be clear from the outset about the health, environmental and economic impacts of air pollution.
10. It was not clear what caused the crash, the latest in a string to hit the air force.
verb
1. dispel differences or negative emotions
e.g. The group called a meeting to finally clear the air