goal unreachable

基本解释

They set in when a goal is identified as unreachable and lead to a decline in motivation.
当一个目标被认定是无法实现时，这些症状产生，并导致动力方面的出现滑坡。
bbs.chinadaily.com.cn
Instead of complaining about the unreachable goal of immortality, you may as well live at your best and enjoy the ride!
与其抱怨不能令自己长生不死，倒不如好好令生命之旅程不枉一走。
blog.sina.com.cn
Usually, what an individual's choice of career comes down to is that the person follows the path of least resistance rather than pursuing something that they possibly believe is an unreachable goal.
通常，在一个人职业选择中所发生的情形是，他要沿着阻力最小的路走，而不是去追求他们认为可能达不到的目标。