The first English sentence most of us learn, “I love you”, has no single Vietnamese translation. A husband might say anh yêu em (“older brother loves younger sibling”). A daughter says con yêu mẹ (“child loves mother”). A grandmother says bà yêu cháu (“grandmother loves grandchild”). The verb stays the same, but the words for “I” and “you” change with who is speaking to whom.
This is the part of Vietnamese that foreigners find hardest to explain, and it was also the hardest for me to notice, because it feels natural to a native speaker. English gives you one I and one you for everyone, from your boss to your dog. Vietnamese asks you to work out your relationship with the other person before you can finish a sentence.
The pronouns are mostly relatives
Vietnamese does have real personal pronouns: tôi (I), tao and mày (familiar or rude I/you), nó (he/she/it), mình (intimate I or we). In everyday polite conversation, though, most self-reference and address uses kinship terms, words that literally name a family member:
- anh: older brother. Also any man a bit older than you, or a husband or boyfriend.
- chị: older sister, or a woman a bit older than you.
- em: younger sibling, or anyone younger. A wife or girlfriend is em too.
- cô, chú, bác: aunt and uncles on the father’s side, used for people your parents’ age.
- ông, bà: grandfather, grandmother, used for anyone elderly and in formal address.
- con, cháu: child, grandchild/niece/nephew, used by the younger person in those pairs.
The terms come in reciprocal pairs. If I call you chị, I am em. If you call me cháu, you are cô or chú or bác. Each sentence therefore records your relative ages and how close you are. The anthropologist Hy V. Luong wrote a whole book about it, Discursive Practices and Linguistic Meanings: The Vietnamese System of Person Reference (1990). Two of its chapters are titled after just two of the words, “Brother” and “Uncle”. His central argument is that you cannot define these words by their dictionary meaning alone. What anh means depends on what using it does to the relationship.
“I” used to mean “servant”
What about the neutral tôi? Historically it was not neutral at all. Tôi was a noun meaning servant or subject, as in the old phrase vua tôi, “the king and his subjects”. Using it of yourself was originally a humble move, like signing a letter “your servant”. Researcher Hoang Anh-Ngoc has traced how, from the 17th century on, tôi drifted from that sense towards something close to the Western autonomous “I”, which speakers now use with strangers, in offices and on the news.
Even today tôi is cool and distant. A child who says tôi to a parent is either being rude or picking a fight. Two friends who suddenly switch from anh–em to tôi–anh are telling each other that something has gone wrong.
Third person, and the North–South split
The same terms point at third parties too. Add ấy (“that”) and you get he and she: anh ấy, chị ấy, ông ấy. In the South this is often squeezed into one syllable carrying a hỏi tone: ổng (him, older man), bả (her), ảnh, chỉ. The first time a northern friend hears a Saigonese say ảnh nói (“he said”), they usually need a second to decode it.
The underlying kin terms also shift with region. In northern usage, bác is any older sibling of a parent. In the South its literal meaning is narrower: the father’s older brother. Southern cô and dì mean father’s sister and mother’s sister regardless of age, where the North uses age to tell them apart. Mother is mẹ in the North and má in the South, and Southerners shorten maternal grandparents to plain ngoại (“outside”, since they belong to the mother’s side). Between friends, northerners say cậu–tớ, which southerners rarely use.
Why this is so hard for learners
Vietnamese is not alone here. Joseph Cooke’s 1968 study Pronominal Reference in Thai, Burmese, and Vietnamese compared three Southeast Asian languages in which choosing “I” and “you” is a social decision. For an English speaker the difficulty is that Vietnamese puts social information into words that English treats as pure grammar. The mistakes I hear most often from foreign friends:
- Using tôi everywhere. It is never wrong, but it is cold. Using tôi with a market vendor your mother’s age sounds like reading from a form.
- Getting age direction wrong. Calling a 30-year-old woman cô can make her feel old. Chị is safer.
- Forgetting the pair. If you call someone anh, you have to call yourself em in the same conversation. Mixing systems sounds jarring.
- Avoiding the problem with bạn. Bạn (friend) works as a neutral “you” in textbooks, apps and ads. In real conversation with an older person it sounds stiff, a bit like an advert talking to you.
A practical way to start
Ask, do not guess. Vietnamese people ask each other’s age, or birth year, early in a conversation, and it is not considered rude. They need the answer to pick their pronouns. As a learner, you can ask: Em nên gọi anh/chị là gì? (“What should I call you?”).
Then use a simple default:
- Someone clearly older than you, but under your parents’ age: anh / chị, and you are em.
- Someone your parents’ age: cô / chú (or bác if older than your parents), and you are cháu.
- Someone elderly: ông / bà, and you are cháu (or con in the South).
- Someone younger: em, and you are anh or chị.
Above all, listen to what they call themselves. If a shopkeeper says chị lấy cho em nhé (“let me, your older sister, get it for you”), she has already told you who you are in this conversation.
Once it clicks, the system stops feeling like a burden. English lets you talk to someone without ever saying how you stand with them. In Vietnamese you have to say it in almost every sentence.
Sources
- Luong, H. V. (1990). Discursive Practices and Linguistic Meanings: The Vietnamese System of Person Reference. Pragmatics & Beyond New Series 11. John Benjamins.
- Cooke, J. R. (1968). Pronominal Reference in Thai, Burmese, and Vietnamese. University of California Publications in Linguistics 52 (Glottolog record).
- Bibliothèque nationale de France, L’identité et la politesse dans la culture vietnamienne à travers l’histoire de tôi (seminar by Hoang Anh-Ngoc).
- Northern Illinois University SEAsite, Vietnamese Lesson 1 grammar notes (on tôi once meaning “your servant”).
- Wikipedia, Vietnamese pronouns (kinship-term table, regional meanings, tôi < “servant”).