half-brother
Longman Dictionary of Contemporary English 5++LDOCE 5++ˈhalf-ˌbrother ●●○ noun [countable] SSFa brother who is the son of only one of your parents 同父异母[同母异父]的兄弟 → half-sister
Examples from the Corpus
half-brother• Other characters include his half brother, two male teachers and the male head teacher.• Sir Kenneth was the half brother of Osgood MacKenzie who created the famous gardens in Inverewe.• The president's half brother and one of his sons sued the government for trampling on their civil rights!ˈhalf-ˌbrother nounChineseSyllable
son Corpus only of brother a of one is who your the
half-brother
ˈhalf-ˌbrother
noun [countable]
a brother who is the son of only one of your parents ⇨ half-sister
ˈhalf-ˌbrother
noun [countable]a brother who is the son of only one of your parents ⇨ half-sister