HSK10+
léi, lèi
rub
Phonosemantic compound. 扌 represents the meaning and 雷 represents the sound.
扌 Meaning component
shou, shǒu
hand
扌 is a component form of 手.
雷 Sound component
léi
thunder
擂
rub, grind; grind with a mortar and pestle; triturate; beat; to grind
lèi
to beat (a drum)
擂台
arena
beat
自吹自擂
to blow one's own trumpet (idiom)
擂台赛
single-elimination open tournament (the winner stays on until he is himself defeated)
打擂台
(old) to fight on the leitai
Make Me a Hanzi
Unicode
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing