(figurative) a course of action that is unproductive and offers no hope of improvement
双语例句
1
This patrol had just visited the curving gallery and the three blindalleys which lie beneath the Rue du Cadran.
这支巡逻队刚走过钟面街下面的弯曲巷道和三条死胡同。
2
And, after a lot of hard graft and blindalleys, he and his team have almost got there.
经过大量艰苦工作和碰壁,他和他的小组几乎达到了目标。
3
Inevitably, Shenton's -argument forces him down all kinds of logical blindalleys - the non-existence of gravity, and his argument that most space exploration, and so the moon landings, are faked.