File Handle leaks or Memory Overflow perhaps, to take a stab in the dark.

文件句柄泄漏或内存溢出的可能，要在黑暗中刺。

youdao

If you're a man, and you steal my wife, I don't stab you in the back down a dark alley at night.

如果你是一个人，并且你偷走了我的老婆，我不能再黑暗的小巷里在背后刺你一刀。

youdao

This is just a stab in the dark but I'm guessing quite a few of you who comment on this blog think so too.

BBC: Incongruous, inconsistent, irrational

Ms Rolfe dismissed that figure as "a stab in the dark".

BBC: Romanian and Bulgarian immigrant impact 'modest'

The figure is a stab in the dark, but it is clear that the problem is becoming worse and that few of those who become involved understand the risks they are running.

BBC: Students warned not to get involved in money laundering