a long shot的典故？

a long shot
不大会成功的尝试

与 a long shot 相关的例句A shot a b a long shot not by a long chalk shot a parting shot a shot in the arm a shotgun weddingcomedy shot through with sadness
你不应该把幼儿一个人留在家里
John was a long shot for mayor.
约翰竞选市长，当选希望很小。
We haven't finished by a long shot.
我们离完成还差得很远呢。
The searchlight shot a long ray across the sky.
探照灯射出一道长长的光柱划过天空。
he is the best by a long shot; his labors haven't ended there--not by a long shot.
无论如何，他是最好的；他绝对没有尽自己的全力做。
A contestant given little chance of winning; a long shot.
获胜机会很少者不大可能获胜的选手；获胜可能性非常微小地参加者
Do you think he is a good businessman? Not by a long shot!
你认为他是一位能干的实业家吗？绝对不是。
He set the camera for a long-distance shot.
他调整照相机镜头拍摄远景。
No. 7 gave a long shot, but missed the goal.
7号来了个远射，但没有射进球门。
However, scientists realize successful reproduction would be a long shot.
然而，研究人员却对明年这对熊猫能否成功繁育后代表示怀疑，认为到时还是要靠运气。

很少机