seven wonders (of a particular area); total mystery; enigma; conundrum
curiously enough; oddly enough; to the point of being mysterious; to the extent of being strange
wondrous; marvellous; uncanny; like a charm
Alice in Wonderland (novel by Lewis Carroll); Alice's Adventures in Wonderland
eccentric young person (esp. girl)
quirk of fate; curious coincidence; happy chance
there are no mysterious losses; defeat always has a reason
gibberfish (Gibberichthys pumilus)
there may be mysterious wins, but there are no mysterious losses; luck may explain victory, but never defeat