恩尼格玛密码机 | ēn ní gé mǎ mì mǎ jī | Enigma | |
谜团 | mí tuán | riddle / enigma / unpredictable situation / elusive matters | |
破译 | pò yì | to break a code / to crack a riddle / to solve an enigma / a breakthrough | |
闷葫芦 | mèn hú lu | lit. closed gourd / fig. enigma / complete mystery / taciturn person | |
神奥 | shén ào | mysterious / an enigma |