Korean: 4 NHSK word(s): 黑* 2 hei1black/ dark/ abbr. for Heilongjiang 黑龍江|黑龙江 province in northeast China 黑板* 3 hei1 ban3blackboard/ CL:塊|块[kuai4];個|个[ge4] 乌黑* 6 wu1 hei1jet-black/ dark 嘿* 6 hei1hey KOREAN6000 word(s): KOREAN 2500 New HSK words): KOREAN Sentence(s):