well-kept secret

常见例句

VILHELM HAMMERSHOI has been a well-kept secret since his death in 1916.
1916年去世之后，哈默休伊一度是一个保守得相当好的秘密。
Until the day before the sale, the identity of the consignor, described in the catalogue as having a “distinguished private collection”, had been a well-kept secret.
拍卖目录上把这幅画的委托人描述成一位有着“令人瞩目的个人收藏”的藏家。这位委托人的身份保密的很好，直到拍卖的前一天都无人知晓。
That's why, despite the attention and adulation, his real name remains a well-kept secret.
这就是为什么尽管如此地被关注和奉承，他的真是姓名依然非常好地得到保密。
worst-on-earth.blogbus.com

It is a well-kept secret on Wall Street which outside firms have access to these invisible markets.
FORBES: Watch Out For The Quants
That was back when the mortgage business was more of a well-kept secret, and mortgage reps were relatively scarce.
FORBES: The Mortgage Pre-Approval Con
But Armstrong's doping appeared to be a such a well-kept secret that he would take it to his grave.
NPR: Column: Live Commentary On Armstrong Interview