（查点） count:

• 从1数到20

  count from one to twenty;

• 倒着数

  count down;

• 学数数

  learn how to count;

• 数数看一行有多少棵树。

  Count and see how many trees there are in a row.

（计算或比较起来最突出） be reckoned as exceptionally (good, bad, etc.):

• 全班数他最高。

  He is the tallest in the class.

• 全校数她功课好。

  She is considered the best in the school.

（列举） enumerate; list:

• 历数其罪

  enumerate the crimes sb. has committed;

• 如数家珍

  as if enumerating one's family valuables -- very familiar with one's subject.

（数目） number; figure:

• 次数

  number of times;

• 将委员人数由5名增加到10名

  raise the number of committee members from five to ten;

• 岁数

  age; years;

• 数以万计

  number tens of thousands;

• 心中有数

  have a good idea of how things stand ; know what's what

{数} （表示事物的量的基本数学概念） number:

• 实数

  real number;

• 无理[有理]数

  irrational [rational] number;

• 自然数

  natural number

{语} （表示名词或代词所指事物的数量） number:

• 单 [复]数

  singular [plural] number

（天数） fate; destiny:

• 劫数

  inexorable doom; predestined fate

（几; 几个） several; a few:

• 连续数年

  for several years running;

• 数百人

  several hundred people;

• 数分钟后

  a few minutes later

（屡次） frequently; repeatedly:

• 频数

  many times