► 名詞
兄弟 [(1)きょうだい] meaning: brother rank: 1
☆ あの二人は兄弟だ ⇨ Those two are brothers (☛ Biological brothers)
兄弟 [(1)きょうだい] meaning: sibling rank: 1
☆ 兄弟はいますか? ⇨ Do you have any siblings? (☛ Literally means “big brother and little brother”, but commonly used to mean any sibling combinations)
More examples:
- 彼は天皇の従兄弟に当たる ⇨ He is a cousin of the emperor
 - 彼等は兄弟なんだ。道理で似てるわけだ ⇨ So they are brothers. It makes sense that they look alike
 - ライト兄弟は飛行機の発明者として名高い ⇨ Wright brothers are famous as inventors of airplanes
 - 彼等兄弟は性格が全く違う ⇨ The two brothers have completely different personalities
 - 兄弟喧嘩して父親に叱られた ⇨ I had a fight with my brother and got scolded by my father
 - 遺産相続を巡っての兄弟間の争い ⇨ A battle among siblings over inheritance
 - 彼は私の従兄弟だ ⇨ He is my cousin
 - 彼女は三人兄弟の末っ子だ ⇨ She is the youngest of three siblings
 - 兄弟は戦争で別れ別れになった ⇨ The brothers were separated by the war
 - あの兄弟は見かけから性格まで似ても似つかない ⇨ Those brothers have nothing in common in appearances and personalities
 - 家の事業を巡って兄弟がいがみ合っている ⇨ The brothers are fighting over their family business
 - 兄弟間の敵対心 ⇨ Hostility between siblings
 - 私達は兄弟だが性格が全く合わない ⇨ We are siblings but don’t see eye to eye at all
 - 兄弟が庭で取っ組み合っている ⇨ The two brothers are wrestling on the lawn
 - 彼は双子の兄弟と入れ替わった ⇨ He traded places with his twin brother