单词	head-scratchers
释义	head-scratcher noun head-scratch·​er ˈhed-ˌskra-chər  plural head-scratchers informal : something that is confusing, mysterious, or hard to understand We love college football for nothing if not the belief—hope even—that at any moment the unexpected could happen. Young as it is, this season has already provided its share of jaw-droppers and head-scratchers. Holly Anderson Synonyms closed book conundrum enigma mystery mystification puzzle puzzlement riddle secret why See all Synonyms & Antonyms Word History First Known Use 1902, in the meaning defined above head-scratchers noun plural of head-scratcher as in mysteries something hard to understand or explain why he chose to sink all of his money into a failing business is a real head-scratcher Synonyms & Similar Words Relevance mysteries enigmas puzzles conundrums riddles puzzlements problems secrets whys challenges stumpers mystifications brainteasers matters perplexities closed books troubles cases posers knots
随便看	locomotion locomotions locomotive locomotive engineer locomotive works locomotively locomotiveman locomotivemen locomotives locomotivity locomotor locomotor ataxia locomotors locomotory locos locoweed locoweeds locrian Locrian mode locrian mode locrians Locris locs loctal loctician

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