v.     把…讲得过分；夸大，夸张 ≈ exaggerate ≠ understate 

• Because of these differences, comparing France's consumption with the U.S.'s overstates the gap in economic welfare. 夸大了其经济福利的差距

• It is subtle but should by no means be overstated. 绝不能被夸大其实

• The importance of a child’s early years cannot be overstated (= is very important ). 儿童幼年期的重要性怎么强调也不为过。

• He tends to overstate his case when talking politics. 他一谈政治便流于夸夸其谈。

BrE /əˌbriːviˈeɪʃn/