莫名其妙
mò​míng​qí​miào HSK7

inexplicable

2 sentences

  1. 他莫名其妙地发了一通火。

    tā mò​míng​qí​miào de fā le yī tòng huǒ.

    He lost his temper for no apparent reason.

    Source: Dong Chinese Dictionary

  2. 他突然对我大发雷霆，真是莫名其妙。

    tā tū​rán duì wǒ dà​fā​léi​tíng, zhēn shì mò​míng​qí​miào.

    He suddenly flew into a rage at me; it was truly baffling.

    Source: Dong Chinese Dictionary