bluffs

n.

a high steep bank (usually formed by river erosion)

pretense that your position is stronger than it really is

"his bluff succeeded in getting him accepted"

the act of bluffing in poker; deception by a false show of confidence in the strength of your cards

同义词：four flush

Threats, Bluffs, and Disclaimers in Negotiations
Toe erosion of glacial till bluffs: Lake Erie south shore
Forms of bluffs degraded for different lengths of time in emmet county, Michigan, U.S.A
Metapelitic Migmatites from Brattstrand Bluffs, East Antarctica—Metamorphism, Melting and Exhumation of the Mid Crust
The distribution of tree species in steepheads of the Apalachicola River Bluffs, Florida.
Geological relationships in high‐grade gneiss of the Brattstrand Bluffs coastline, Prydz Bay, East Antarctica
The stratigraphy of the Pliocene—lower Pleistocene Bardin Bluffs Formation, Amery Oasis, northern Prince Charles Mountains, Antarct...
A Lava Flow without a Source: The Cohassett Flow and Its Compositional Components, Sentinel Bluffs Member, Columbia River Basalt Group
Sedimentation in a large lake: A reinterpretation of the late Pleistocene stratigraphy at Scarborough Bluffs, Ontario, Canada
Presettlement Magnolia-Beech Climax of the Gulf Coastal Plain: Quantitative Evidence From the Apalachicola River Bluffs, North-Centr...