Their wedding was very hush-hush.
他們的婚禮非常秘密。
牛津詞典
Apparently there's a very hush-hush project under way up north...
貌似這里往北的地方有個非常機密的項目正在進行。
They were desperate to keep the marriage hush-hush.
他們拼命想要瞞住這樁婚事。
Hush , hush , hush , hush, I smell a rat close by.
我聞到附近有老鼠的氣味.
期刊摘選
She would drive away all ghosts and fears with her quiet " Hush , hush. "
她會平靜地說: " 別響,別響, " 把所有的幽靈和恐怖的東西都趕走的.
飄（部分）
"clandestine intelligence operations"
"cloak-and-dagger activities behind enemy lines"
"hole-and-corner intrigue"
"secret missions"
"a secret agent"
"secret sales of arms"
"surreptitious mobilization of troops"
"an undercover investigation"
"underground resistance"