"Wheeee, I'm as free as the birds!" Albert cried as he soared from his room and sailed into space. "Ha! You won't be free as a bird for long!" Officer Mutt cried as he chased Albert with a net. To be as free as the birds or free as a bird is to be totally free and completely unrestrained.soar 翱翔space 太空chase 追捕net 网unrestrain 无束缚的“（As）free as the birds”和“（as）free as a平共处bird” 意思相同。把人比做鸟，自由自在，无拘无束。① "I am looking forward to a time when I will be free as the birds again." Albert said.“我盼望着能够再次过自由自在的日子。”艾尔伯特说。② "Stop dreaming! You won't be as free as a bird for many years to come!" Officer Mutt reminded him.“别做梦了。还有许多的未来时日，你不会自由自在啦！”麦特提醒他说。