half brother

half brother — noun

1. a brother who shares only one biological parent with you — either the same mothe

1.名詞A2
釋義

a brother who shares only one biological parent with you — either the same mother but a different father, or the same father but a different mother.

例句

Wei has a half brother from his father's second marriage who is ten years younger.

possessive + half brother for family relation

Kofi and his half brother Rodrigo share the same mother but have different fathers.

explains biological relationship with 'share the same…but have different…'

反義詞

文法句型

possessive + half brother

用法筆記

Half brother describes a biological relationship. Do not confuse with stepbrother, which refers to someone whose parent has married your parent — there is no shared blood in that case.

常見錯誤

❌My stepbrother and I have the same father.' (when you mean you share a parent).
✅My half brother and I have the same father.
💡'stepbrother' means no shared blood; use 'half brother' when one parent is shared.