be an official

基本解释

The fact that Xinhua used that information in a photo caption appeared to be an official endorsement of that view.
新華社在照片說明中透露了這樣的信息，這似乎是對於這種看法的官方認可。
Gliding was slated to be an official sport in 1940, but the games were canceled, as by then the Germans' aeronautical skills--among others--had become quite notorious.
滑翔在1940年被正式選入奧運會項目，但不久後便被撤消了，因爲那時候，德國的航空在其他國家看來是十分臭名昭著的。
The information presented in this article is presented on a best-effort basis from the authors' personal knowledge and not intended to be an official communication from IBM.
本文信息由作者根據個人知識盡最大程度呈現，竝不表示 IBM 的官方發佈。

An official of the European Commission's Directorate General for Research says agricultural greenhouse gas emissions can be cut.
They might put up an official inscription in an Eastern city in Latin, but they'd almost always, if it was an official inscription, it would also be listed in Greek.
他們也許用拉丁語在某個東方城市，發佈官方告示，如果是官方的，同樣縂是會附上希臘語。
耶魯公開課 - 新約課程節選
The issues must be treated carefully, or they will be difficult and painful if an elected official has to deal with them.

Is this really the type of company the NFL wants besmirching its reputation by permitting them to be an official sponsor?
FORBES: Peyton Manning, Papa John's Pizza And The NFL-Will The NFL Drop Papa John's As An NFL Official Sponsor Over Obamacare?