"be on first name terms a first name basis with sb" in German to be on first-name terms / a first-name basis with sb. sich duzen mit jdm. per Du sein Detailed translations for "be on first name terms a first name basis with sb" to be on first-name terms / a first-name basis with sb. to be on first-name terms / a first-name basis with sb. sich duzen to be on first-name terms / a first-name basis with sb. mit jdm. per Du sein