cloak
noun uk/kləʊk/ us/kloʊk/
(PIECE OF CLOTHING)
[ C ]斗篷，披风
a loose outer piece of clothing without sleeves, that fastens at the neck, and is worn instead of a coat
(HIDE)
[ S or U ]遮掩物；伪装；掩盖；幌子
something that hides, covers, or keeps something else secret
The restaurant he owned was just a cloak for (= hid) his drug-dealing activities. 他开那家餐馆不过是为他从事毒品交易作掩护。
They left the house under cloak of darkness. 他们趁着天黑离开了那所房子。
cloak
verb [ T ] uk/kləʊk/ us/kloʊk/
掩藏，掩饰
to cover or hide something
He has always kept his love affairs cloaked in secrecy (= kept them secret). 他总是隐瞒他的风流韵事。
The river is often cloaked in mist in the early morning. 清晨，这条河上常常是雾霭弥漫。