make many demands on

: behave, act

: to begin or seem to begin (an action)

: to cause to happen to or be experienced by someone

: the manner or style in which a thing is constructed

: brand

: the physical, mental, or moral constitution of a person

: consisting of or amounting to a large but indefinite number

: being one of a large but indefinite number

: a large number of persons or things

: a large but indefinite number

: the great majority of people

: an act of demanding or asking especially with authority

: something claimed as due or owed

: question

: to call for something in an authoritative way : to make a demand : ask

: to ask or call for with authority : claim as due or just

: to call for urgently, imperiously, or insistently