出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第18页（194字）
指既然来了，就安下心来，例你多年未返乡了，既来之，则安之，何必急于离去呢?
Since you are here after all these years，you might as well stay and make the best of it．Why leave so soon?