in a word; in short; in brief
general; overall; to sum up; in every case; always; invariably; anyway; after all; eventually; sooner or later; surely; (after a person's name) abbr. for 总经理 or 总编 etc
(possessive particle, literary equivalent of 的[de5]); him; her
总之，我们必须采取有效措施来解决这个问题。
Practice each character