Show pageOld revisionsBacklinksBack to top Old Revisions These are the older revisons of the current document. To revert to an old revision, select it from below, click Edit this page and save it. 2025/08/04 20:31 fèi xīn: 费心 - To go to a lot of trouble; To put a lot of thought and effort into something – created xiaoer +11.1 KB Show differences between selected revisions