弟

弟は五歳です。

My younger brother is five years old.

ケーキを弟と半分ずつ分け合った。

I shared the cake with my younger brother, half each.

弟の面倒を見るのは大変だが、楽しい。

Looking after my younger brother is difficult, but fun.

弟は勉強もしないで、ゲームばっかりしている。

My younger brother is doing nothing but playing games without even studying.

弟は私より背が高い

My younger brother is taller than me.

弟は、お腹が空いただの喉が渇いただのと文句ばかり言っている

My younger brother is doing nothing but complaining, saying things like he's hungry or thirsty.

弟は来年から小学校に通い始める。

My younger brother will start attending elementary school next year.

彼は私の父の弟、すなわち私の叔父です。

He is my father's younger brother, that is to say, my uncle.

弟の誕生日は来月の二日だ。

My younger brother's birthday is on the second of next month.