English (Source)
Many tooltips will have keywords in them. To look at a keyword, press CTRL to lock the current tooltip in place, and then hover the keyword with your cursor. This can be repeated for as deep as you want to.
Chinese Translation
许多提示信息中会包含关键词。要查看某个关键词，按下 CTRL 锁定当前提示框，然后将鼠标悬停在该关键词上。你可以按需重复此操作，层层深入查看。