Word/Phrase: usted
Translation: you (formal)
Pronunciation: usˈteð
You are very kind - Usted es muy amable.
Do you understand?-¿Usted entiende?
Can I help you?-¿Puedo ayudarle?
Where are you from?-¿De dónde es usted?
It is nice to meet you - Es un placer conocerle.