► 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:
- 兄弟が庭で取っ組み合っている ⇨ The two brothers are wrestling on the lawn
 - 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
 - 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
 - 二人の兄弟はなににつけても競争する ⇨ The two brothers compete with each other over anything
 - 彼等兄弟は性格が全く違う ⇨ The two brothers have completely different personalities
 - 彼等兄弟は何かに付けていつも張り合っている ⇨ The brothers are always competing with each other about everything
 - 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
 - あんた達兄弟なんだから仲良くしなさい ⇨ You are brothers, so be nice to each other
 - 彼は天皇の従兄弟に当たる ⇨ He is a cousin of the emperor
 - 異母兄弟 ⇨ Siblings with different mothers. Paternal half-siblings
 - 私は三人兄弟の真ん中だ ⇨ I am the middle of three siblings
 - 彼は双子の兄弟と入れ替わった ⇨ He traded places with his twin brother
 - あの兄弟には共通する点が一つもない ⇨ Those brothers don’t have even one thing in common
 - 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
 - 遺産相続を巡っての兄弟間の争い ⇨ A battle among siblings over inheritance