mí tuán
riddle
enigma
unpredictable situation
elusive matters
dēng mí
riddles written on lanterns (e.g. for the Lantern Festival at the end of Chinese New Year)
mí yǔ
riddle
conundrum
CL:條|条[tiao2]
Chūn dēng mí
Spring lantern riddles (guessing game at Lantern Festival 元宵節|元宵节, at the end of Spring festival 春節|春节)
mèi
see 謎兒|谜儿[mei4 r5], riddle