enigma

ENIGMA noun

[ C ] uk/ɪˈnɪɡmə/ us
someone or something that is mysterious and difficult to understand

загадка
She is a complete enigma to me.
№2 (2384)№3 (2356)№4 (2320)№5 (2318)№6 (2316)№7 (2312)№7 (2312)№8 (2311)№8 (2311)№9 (2304)№10 (2302)