thầy giáo

male teacher

Typed without accents: thay giao

Also written: thày giáo (Hà Nội)

Meaning

male teacher
noun

teacher (a man)

Pupils call him thầy. A woman is cô giáo.
- Anh trai tui là thầy giáo.
  My brother is a teacher.
- Thầy giáo mới rất trẻ.
  The new teacher is very young.