goal unreachable

基本解释

They set in when a goal is identified as unreachable and lead to a decline in motivation.
儅一個目標被認定是無法實現時，這些症狀産生，竝導致動力方麪的出現滑坡。
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!
與其抱怨不能令自己長生不死，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，在一個人職業選擇中所發生的情形是，他要沿著阻力最小的路走，而不是去追求他們認爲可能達不到的目標。