... be in the open是公开的。 come （out） into the open 公开；表明心意。 in open 公然。 ...
双语例句
1
The National Parks in England are called "England's Breathing Spaces" because they are places where people can go to beintheopen air, away from the dirt and noise of cities.
英国的国家公园被称为“英国的呼吸空间”，因为在那里人们可以远离城市的尘土和噪音，享受户外的空气。
2
She said stations should beintheopen, near housing, not overshadowed by trees or walls.
她说车站应该建在开阔、靠近住宅区的地方，不要被树木或墙遮挡。
《柯林斯英汉双解大词典》
3
They again ate outside, for Clara had to beintheopen air all day, if possible.