When you start a formal or business letter with "Dear Sir" or "Dear Madam," you write Yours faithfully before your signature at the end. 您忠实的 (正式信函或商务信函末尾署名前的套语)
adverb [方式副词]忠实地,忠诚地;准确地,如实地;有规律地
The events were faithfully recorded in her diary. 这些事件在她的日记中如实地记录了下来。