如果问题是deadlock，线程分析工具将会显示哪个线程是您期望它工作，但是实际上在等待永远也不会发生的东西。

If the problem is a deadlock, thread analysis tools will show that threads that you expect to be working are actually waiting for something that is never going to happen.

youdao

关键在于，这款应用在使用时不会在屏幕上显示出图标，这意味着智能手机的持有者甚至可能永远不会发现它已经被安装在手机里了。

Critically, the application did not show an icon on the screen when it was being utilised, meaning that the owner of the smartphone might not even realise that it had been installed.

youdao

关键在于，这款应用在使用时不会在屏幕上显示出图标，这意味着智能手机的持有者甚至可能永远不会发现它已经被安装在手机里了。

Critically, % the application did not show an icon on the screen when it was being utilised, meaning that the owner of the smartphone might not even realise that it had been installed.

youdao