Nà wèi báidàguà xiàng jiāshǔ jiěshì le shǒushù fāng'àn.
The doctor explained the surgical plan to the family.
Tips
usage
白大褂 literally means 'white big robe'. It is used both literally (the garment itself) and metonymically to refer to doctors or medical staff, similar to how English uses 'white coat' or 'men in white coats'.