unbeknownst

adj.

未知的，不为人知的；

The Wooded Hillsides of the Meuse Valley in Liège (Belgium): An Unbeknownst Potential Urban Woodland?
Stealth entropy collection
A Daubert Analysis of Abusive Head Trauma/Shaken Baby Syndrome — Part II: An Examination of the Differential Diagnosis
That Swing: Poems, 2008–2016
ADAPTABILITY TO CHANGING TASK CONTEXTS: EFFECTS OF GENERAL COGNITIVE ABILITY, CONSCIENTIOUSNESS, AND OPENNESS TO EXPERIENCE
The Status of Thematic Relations in Linguistic Theory
Geometric and temporal evolution of an extensional detachment fault, Hohhot metamorphic core complex, Inner Mongolia, China
Uncovering social network sybils in the wild
Stealth Marketing: How to Reach Consumers Surreptitiously
Confidence sets for partially identified parameters that satisfy a finite number of moment inequalities