N-COUNT [usually poss NOUN]名字(不包括姓氏);教名 Your first name is the first of the names that were given to you when you were born. You can also refer to all of your names except your surname as your first names . 名字(不包括姓氏);教名
Her first name was Mary. I don't know what her surname was.
她的名字叫玛丽。我不知道她姓什么。● If two people are on first-name terms, they know each other well enough to call each other by their first names, rather than having to use a more formal title. (因相熟而)直呼其名，以名相称
The two were said to have been on first-name terms.
据说这两人关系很熟。
Jim has been in the company for many years, and is on first-name terms with many of the board directors.