to be incumbent upon; to be up to (someone); to be obligatory upon

English - English

Definition of to be incumbent upon; to be up to (someone); to be obligatory upon in English English dictionary

lie upon

It lies upon the prosecution to prove that the defendant is guilty.

Hyphenation

to be in·cum·bent upon; to be up to (someone); to be ob·lig·a·to·ry up·on