erstens	first
erstens	firstly
erstens	in the first place
erstens {adv}	firstly
erstens [idiomatisch]	in the first place
erstens ist er zu alt	to begin with he's too old
Erstens ist er zu alt.	To begin with he's too old.
erstens, zuerst {adv}, erst einmal	first, first of all, in the first place, as a start, for a start, for starters