莫須有

Simplified: 莫须有

mòxūyǒu ㄇㄛˋ ㄒㄩ ㄧㄡˇ

    • groundless baseless

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
perhaps there is
Meaning
Groundless, trumped-up (of a charge). From Qin Hui's vague reply when accusing the general Yue Fei of treason. Critical.

Sources