dritte Person; Dritter; Außenstehender
Dreiergespräch; Dreierinterview; Lehrer-Eltern-Schüler-Gespräch
each of the three being different from the other two; each of the three having his (her) own way
Drei-Parteien-Konferenz; Dreierkonferenz
Three-up-three-down; Ausscheiden der Schlagleute 1 bis 3 in Folge
three-cornered competition
three parties (forces) opposing one another; three-cornered contest