卡壳

例句：

1. 1. I've been stuck on this math problem for hours now.
   我被这道数学题困住了几个小时了。
2. 2.The car broke down on the highway, causing us to get stranded.
   汽车在高速公路上抛锚了，导致我们被困住了。
3. 3.If you can't find a solution, it might be time to "get stuck" on this problem.
   如果你找不到解决方法，那可能到了“卡壳”这个问题的时候了。