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年代在高度机密的状态下研制的，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布韦东部非常隐秘的钻石矿，销售这些钻石的收入不清不楚。
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.
美国的F-117战机在1970年代开始秘密研制，1983年开始服役。它的外形与可吸收雷达波的涂层让它极难被发现。

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)