- se tratan de usted/tú
- they address each other as 'usted'/'tú'
- tutear
- to address in the familiar manner using ‘tú’
- tratar de tú
- to address in the familiar manner using ‘tú’
- voseo m 语言
- use of the pronoun "vos" instead of "tú"
- tratar de tú/usted
- to address sb in an informal/formal manner using tú/usted
- tuteo
- familiar use of ‘tú’
- tratar de tú/usted
- to address sb informally/formally using tú/usted