莫名其妙

mòmíngqímiào

HSK 7

莫名其妙 — mòmíngqímiào

baffling; bizarre; inexplicable; without rhyme or reason
他突然生气，大家都觉得莫名其妙。 tā tūrán shēngqì dàjiā dōu juéde mòmíngqímiào — He suddenly got angry; everyone felt baffled.