ngầm

== Vietnamese == === Etymology === === Pronunciation === (Hà Nội) IPA(key): [ŋəm˨˩] (Huế) IPA(key): [ŋəm˦˩] (Saigon) IPA(key): [ŋəm˨˩] === Adjective === ngầm • (硶, 砛, 吟, 沉, 沈) beneath the surface (underground; subterranean, underwater; subaquatic) (figurative) secret; covert; unspoken cảnh sát ngầm ― undercover policeman ==== Derived terms ==== === Adverb === ngầm (figurative) secretly; covertly; unspokenly ngầm hiểu ― to understand something without being told