Word

HSK	Not in HSK
FREQUENCY	Unknown

擂臺賽 lèi tái sài

single-elimination open tournament (the winner stays on until he is himself defeated)

擂 lèi	rub, grind; grind with a mortar and pestle; triturate
臺 tái	tower, lookout; stage, platform
賽 sài	compete, contend; contest, race