half-brother
US /ˈhæfˌbrʌð.ər/
UK /ˈhæfˌbrʌð.ər/
1.
同父异母兄弟, 同母异父兄弟
a brother with whom one has only one parent in common
:
•
My half-brother is older than me.
我的同父异母兄弟比我大。
•
She has a half-brother from her mother's previous marriage.
她有一个同母异父的兄弟，是她母亲上次婚姻所生。