"beat your head against the wall" in Chinese (Simplified)
Definition
不断尝试做一件不可能或非常令人沮丧的事却没有结果。
Usage Notes (Chinese (Simplified))
这是一个非正式表达，用于描述徒劳或令人沮丧的努力，只用于比喻，不用于真实的身体动作。常用于反复尝试而失败的情景。
Examples
Trying to solve this puzzle feels like beating your head against the wall.
试图解开这个谜题就像在**白费力气**。
If you keep arguing with him, you're just beating your head against the wall.
如果你一直和他争论，简直是在**白费力气**。
She realized she was beating her head against the wall trying to fix the old TV.
她意识到试着修理旧电视是在**徒劳无功**。
Honestly, trying to get them to change their minds is just beating your head against the wall.
说实话，想让他们改变想法就是在**白费力气**。
I tried fixing the printer all afternoon and finally gave up—it was like beating my head against the wall.
我整个下午都在修打印机，最后放弃了——完全是**白费力气**。
Sometimes teaching teenagers can feel like you're just beating your head against the wall, but you have to keep trying.
有时教青少年会让人觉得**白费力气**，但你还是得继续努力。