Russian ⇄ English German

стирать грань stresses
gen.	eliminate the distinction (nofour138)
fig.	blur the line (enhanced by the classic vein-cut travertine tiles that cover the main floor, including the patios, blurring the line between inside and outside. ART Vancouver)
стирать грани
gen.	blur the lines (Taras)
стирая грани
gen.	blurring the boundaries (KosinovS)