Every time I pass by her house, she's always busy doing something.

每次我经过她家，总看到她在忙。

youdao

The UI thread processes these messages whenever your application isn't busy doing something else.

无论何时你的程序不忙于做其它事情时该U I线程就处理这些消息。

youdao

All of that may take a lot of time, but if you're busy doing something else and then the information appears ready to use, the application feels responsive.

所有这些信息可能会花费很多时间，但如果您正在忙着做其他一些事情，并且这些信息已经显示为可用，那么会觉得应用程序响应性非常好。

youdao

Instead, distract yourself by immediately getting busy doing something else.

FORBES: The Right Way to Speak to Yourself