"engage in sth as a regular source of income" in German to engage in sth. as a regular source of income etw. gewerbsmäßig betreiben Detailed translations for "engage in sth as a regular source of income" to engage in sth. as a regular source of income to engage in sth. as a regular source of income(also: to professionally engage in sth.) etw. gewerbsmäßig betreiben