You cannot catch old birds with chaff.用粗糠捉不住老鸟。
Unable to fly ,in vain the bird flaps his wings. 鸟儿不会飞，拍翅也枉然。
The noisy fowler catches no bird. 捕禽人大肆声张，鸟儿就不会落网。
The early bird gets the late one’s breakfast. 早起的鸟儿先觅食，迟起的鸟儿误早餐。
Pigs may fly,but they are very unlikely birds. 猪儿纵会飞，终究不是鸟。
One swallow does not make a summer. 一燕不成夏。
One swallow does not make a spring. 孤燕不报春。
Kill two birds with one stone. 一箭双雕。
Early bird catches the worm早起的鸟儿有虫吃。
Each bird loves to hear himself sing. 鸟儿都爱听自己唱。
Birds of a feather flock together. 鸟以群分，物以类聚。
Birds in their little nests agree. 同巢之鸟心儿齐。
bird in the hand is worth than two in the bush. 一鸟在手胜过双鸟在林。
Better be a free bird than a captive king. 宁为自由鸟，不作被困王。
Better be a bird in the wood than one in the cage. 宁为林中鸟，不作笼中鸟。
A bird is known by its note and a man by his talk. 识鸟听啼声，识人听语音。
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