Enigma



noun — Plural: Enigmas
1.
(Something very difficult to understand, a riddle, a perplexing matter, person, etc) ប្រស្នា, បណ្តៅ
Example: I've know him for many years but he remains something of an enigma to me.
ENGLISH MEANING
noun — Plural: Enigmas
1.
A dark, obscure, or inexplicable saying; a riddle; a statement, the hidden meaning of which is to be discovered or guessed.
2.
An action, mode of action, or thing, which cannot be satisfactorily explained; a puzzle; as, his conduct is an enigma.
1.
conundrum, mystery, problem, puzzle, riddle
1.
clue, key, resolution, solution