Korean: 2 NHSK word(s): 折腾* 6 zhe1 teng5to toss from side to side (e.g. sleeplessly)/ to repeat sth over and over again/ to torment sb/ to play crazy 沸腾* 6 fei4 teng2boiling/ ebullition KOREAN6000 word(s): KOREAN 2500 New HSK words): KOREAN Sentence(s):