5.to come out of the closet
homosexual +公开同性恋身份；出柜
He came out of the closet, becoming Ottawa's first openly gay politician.他承认自己是同性恋, 成了渥太华第一个公开的同性恋政治家。
(discuss something previously secret)person +公开承认(或讨论)保密的事
I've decided to come out of the closet and publicly admit to the authors I have always really liked to read.我决定公开真相, 向作者坦承我一直都很喜欢阅读。
(be publicly discussed)issue +公开；被公开讨论
The issue came out of the closet in the 1970s.这个问题在20世纪70年代被公开了。