in great secrecy

常见例句

The F-117, developed in great secrecy in the 1970s, began service in 1983.
F-117是1970年代在高度機密的狀態下研制的，1983年正式服役。
Williams was referring to diamonds mined in eastern Zimbabwe in great secrecy, with returns from sales of the stones not fully accounted for.
威廉姆斯所指的是津巴佈韋東部非常隱秘的鑽石鑛，銷售這些鑽石的收入不清不楚。
The F-117, developed in great secrecy in the 1970s, began service in 1983.While not completely invisible to radar, its shape and radar-absorbent coating made detection extremely difficult.
美國的F-117戰機在1970年代開始秘密研制，1983年開始服役。它的外形與可吸收雷達波的塗層讓它極難被發現。

Then the reader must be sure that Mitrokhin, writing in a great hurry, in great secrecy and in great danger, copied everything down right.
ECONOMIST: The Mitrokhin archive
Unregulated and operating in secrecy, hedge funds are a great place for scam artists.
FORBES: Anatomy of (Yet Another) Hedge Fund Fraud (June 1, 2001)