你应该懂得如何实施基本的急救。

You should know how to do basic first aid.

youdao

谁都会觉得他至少应该懂得打个电话说一声他要晚来。

You think he'd at least have the courtesy to call to say he'd be late.

《牛津词典》

例如，应该懂得QEMU安装选项，以及必要支持文件如固件的安装。

For example, you should understand your options for QEMU installation as well as installation of necessary support files such as firmware.

youdao