hush-hush policy蒙蔽政策;翻译
Hush-Hush Magazine嘘嘘报
Hush-hush cruiser嘘嘘巡洋舰
Hush-hush job秘恋
be hush-hush不要声张
Hush-hush affair秘恋
hush-hush show绝密的事
Keep it hush-hush保密啊
ADJ（形容词） Something that is hush-hush is secret and not to be discussed with other people. 机密的; 不宜张扬的 [非正式]
Apparently there's a very hush-hush project under way up north.
貌似这里往北的地方有个非常机密的项目正在进行。