老鼠鑽牛角 此路不通
牛角下頭粗, 上頭尖. 如老鼠鑽到牛角裡, 越往裡面空間越小, 最後沒有路可走.
這個歇後語用來比喻某種辦法或某種想法在現實中行不通. 也比喻陷入絕境, 無路可走.
A mouse in an ox horn - meeting a dead end
Since an ox horn tapers toward the end, a mouse crawling into it will find itself increasingly hampered, until it meets a dead end.
This idiom is used to mean that an idea or method is not feasible or someone is in a tight spot with no way out.
資料來自歇後語書