(archaic, historical) slave; domestic servant / (archaic) servant of a monarch

(Northern Vietnam, informal, typically men's speech) I/me (used by someone with status equal or higher than his or her conversational partner, but doesn't want to sound too intimate to them) / (Northern Vietnam, informal, familiar) I/me (used when talking to one's friends) / (formal in all dialects) I/me (used in formal contexts, regardless of the difference in status between the speakers) / (literary, endearing, men's speech) I/me (used by a man to a woman he loves)

to temper; to anneal

(regular usage in Northern Vietnam, formal in other dialects) we/us (exclusive); compare chúng ta (inclusive, including the listener)

an ego

(philosophy) I think therefore I am

I am Vietnamese