English is weird. From bewildering spelling to convoluted grammar, there are reasons why language professionals spend years unraveling its intricacies. Even Klingon, which obeys its own rules, may seem less confounding. All the same, English is not alone in its oddities. Other languages can be peculiar and challenging too. From the perplexing to the downright bizarre, languages around the world bemuse even the most seasoned linguists.