- n. 数；（杂志等的）期；号码；数字；算术
- vi. 计入；总数达到
- vt. 编号；计入；数…的数目；使为数有限
词组搭配
any number of
any particular whole quantity of
任意数量
the game can involve any number of players.
这个游戏可以让任意数量的人参加。
by numbers
following simple instructions identified by numbers or as if identified
（逐条）按照指示机械地；死板地
painting by numbers.
机械地画画。
someone's/thing's days are numbered
someone or something will not survive or remain in a position of power or advantage for much longer
某人/某物时日无多，持续不了多久
my days as director were numbered.
我当导演的日子不多了。
do a number on
(N. Amer. informal)treat someone badly, typically by deceiving, humiliating, or criticizing them in a calculated and thorough way
(北美，非正式)（尤指故意通过欺骗、羞辱、指责）伤害（某人）
have someone's number
(informal)understand a person's real motives or character and thereby gain some advantage
(非正式)了解某人的真实动机（或性格）从而获得优势
have someone's number on it
(informal)(of a bomb, bullet, or other missile) destined to find a specified person as its target
(非正式)（炸弹、子弹或其他投射武器）注定要击中某人
someone's number is up
(informal)the time has come when someone is doomed to die or suffer some other disaster or setback
(非正式)某人的死期（或劫数）已到
without number
too many to count
不计其数
they forgot the message times without number.
他们忘记了那不计其数的信息次数。
by the numbers
In unison as numbers are called out by a leader
按口令：领头者喊口令时统一行动
performing calisthenics by the numbers.
按口令做健美操
In a strict, step-by-step or mechanical way.
机械地：以严格的，一步一步的或机械的方式
do a number on&I{【俚语】}
To defeat, abuse, or humiliate in a calculated and thorough way.
彻底地挫败：精心策划和彻底地挫败、使无用或使丢脸
get (someone's) number 或 have (someone's) number
To determine or know someone's real character or motives.
对某人心中有数：确定或了解某人真正的性格或动机
without number 或 beyond number
Too many to be counted; countless
无数的；数不清的
Mosquitoes without number filled the yard.
无数的蚊子充满了院子