enigma bedeutet auf Englisch

conundrum [conundrums]▼(difficult choice or decision)
noun
[UK: kə.ˈnʌn.drəm] [US: kə.ˈnən.drəm]John faces a conundrum. = John se enfrenta a un enigma.

enigma [enigmata]▼(something puzzling, mysterious or inexplicable)
noun
[UK: ɪ.ˈnɪɡ.mə] [US: ə.ˈnɪɡ.mə]Mary was able to figure out the complex enigma. = Mary fue capaz de desentrañar el complejo enigma.

puzzle [puzzles]▼(anything difficult to understand or make sense of)
noun
[UK: ˈpʌz.l̩] [US: ˈpʌz.l̩]

riddle [riddles]▼(verbal puzzle)
noun
[UK: ˈrɪd.l̩] [US: ˈrɪd.l̩]