to count fewer people or things than there really are

The Census Bureau was criticized for undercounting the nation's homeless. 人口普查局因低估全国无家可归者数量而受到批评。

Servers tend to under-count the number of times a page is viewed on the internet. 服务器往往会低估页面在互联网上被浏览的次数。

Whether or not you approve of same-sex relationships, it doesn't help anybody to undercount or to misrepresent. 无论您是否赞成同性关系，低估或歪曲事实都于事无补。

an occasion when fewer people or things are counted than there really are, or the amount by which the number counted is less than the actual number

She noted that some gay people still fear checking a box on a government form that indicates sexual orientation and that this could result in an undercount. 她指出，一些同性恋者仍然害怕在政府表格上勾选表明性取向的方框，这可能会导致低估。

He said that he now believes the undercount was less than 1 percent. 他说他现在相信低估的比例少于1%。

A computer glitch led to an under-count of 33,000 votes. 电脑故障导致33000张选票被漏记。