黑乎乎

hēi hū hū

variant of 黑糊糊[hei1 hu1 hu1]

hēi

abbr. for Heilongjiang province 黑龍江|黑龙江[Hei1 long2 jiang1]

(classical particle similar to 於|于[yu2]) in

(classical particle similar to 於|于[yu2]) in