He is too fond of airing his opinions.

他太喜欢发表自己的意见了。

youdao

Federer said "things are fine between us, " and emphasized that just because he wasn't airing his opinions to reporters didn't mean he didn't express them behind closed doors.

WSJ: Jason Gay: Roger Federer and Rafael Nadal's Rough Patch

This theme has received a full airing in media commentary, congressional hearings, legal scholarship and lower court judicial opinions.

CNN: The 5th Circuit Court's insult to Obama