hush-hush (哈什-哈什)

Idiom Secrets

含义

kept secret or very confidential

保密或非常机密 (baomi huo feichang jimi)

例句

"The project is still hush-hush, so don’t mention it."

"该项目仍然保密,所以不要提到它。" (Gai xiangmu rengran hush-hush, suoyi buyao tidao ta.)