莫名其妙 mòmíngqímiào HSK7 inexplicable Origin Definitions Defs Strokes Stroke Words Sentences Sents 2 sentences 他莫名其妙地发了一通火。 tā mòmíngqímiào de fā le yī tòng huǒ. He lost his temper for no apparent reason. Source: Dong Chinese Dictionary他突然对我大发雷霆，真是莫名其妙。 tā tūrán duì wǒ dàfāléitíng, zhēn shì mòmíngqímiào. He suddenly flew into a rage at me; it was truly baffling. Source: Dong Chinese Dictionary