"be the responsibility of sb to do sth" in German to be the responsibility of sb. to do sth. jds. Aufgabe sein jdm. obliegen etw. zu tun Detailed translations for "be the responsibility of sb to do sth" to be the responsibility of sb. to do sth. to be the responsibility of sb. to do sth.(also: to be up to sb., to fall to sb., to be incument on sb.) jds. Aufgabe sein to be the responsibility of sb. to do sth.(also: to be up to sb., to fall to sb., to be incument on sb.) jdm. obliegen etw. zu tun