what's the meaning of"he dropped of the face of the earth?"

what's the meaning of"he dropped of the face of the earth?"
what's the meaning of
"he dropped of the face of the earth?"

what's the meaning of"he dropped of the face of the earth?"
He dropped off the face of the earth.
(He disappeared without a trace.)
他消失得无影无踪.

他跌落在地。

他跌落到地球表面