HSK10+
hūn
confused
Night falling 昏 on the mind 忄; 昏 also provides the pronunciation
忄 Meaning component
xin, xīn
heart
昏 Sound Meaning component
twilight
Seal script
Regular script
惛
confused, stupid, dull, senile; confused; forgetful; silly
Academia Sinica
Make Me a Hanzi
Unicode
CC-CEDICT
MTSU Chinese text computing