弟弟是对同父母(或只同父或母) 而年龄小于自己的男子的称呼。
关于弟弟的英语作文范文一：
John
My brother John had an interesting weekend. On Saturday he got up early. In the morning, he did his homework. In the afternoon he cleaned his room, then he played computer games for a while. On Sunday morning, the weather was sunny. John went to the park. There he played soccer with his friends for two houes. In the afternoon he went to his good friend Tom's birthday party. He had fun there.My brother John had an interesting weekend. On Saturday he got up early. In the morning, he did his homework. In the afternoon he cleaned his room, then he played computer games for a while. On Sunday morning, the weather was sunny. John went to the park. There he played soccer with his friends for two houes. In the afternoon he went to his good friend Tom's birthday party. He had fun there.
我弟弟有一个有趣的周末。星期六，他起得很早。在早上，他做家庭作业。下午，他打扫房间，然后玩电脑游戏。星期日上午，天气晴朗。翰去公园。他在那里踢足球与他的朋友的两小时。在下午，他去他的好朋友汤姆的生日聚会。他在那里玩得很开心。
关于弟弟的英语作文范文二：
My Lovely Brother
There are are four people in my family, my father, my mother, my brother and I. my brother is two years older than me, I sometimes hate him and sometimes like him. My brother will take away my things without asking me, then I hate him, but he will protect me when I am teased by others, then I love him so much. My brother is good guy.
我的家里有四个人，我的爸爸，我的妈妈，我的兄弟和我。我的兄弟比我大两岁，有时候我讨厌他，有时候我喜欢他。我的兄弟会没问我就拿走我的东西，我会恨他，但是当我被人嘲笑的时候，他又会保护我，我又很爱他。我的兄弟是个好人。
关于弟弟的英语作文范文三：
My lovely bother
During May Day holiday, I went to my uncle’s home to meet my new little bother and he is a baby.
My little bother has got big eyes, a small nose, and a small mouth that looks like a cherry. But my little bother can't talk, and the only thing he can do is crying.
My little bother is very lovely. He likes frown very much. When he frowns, it looks like that he is just thinking some questions. When he cries, the sound is very interesting. It sounds like he is counting numbers or he is singing. Maybe he wants to be a singer.
I love my little brother, Do you like him? I hope my little bother can be a super star in the future. At that time I will be proud of him.
五一期间，我去我叔叔家去见见我的新弟弟，他是一个婴儿。
我的弟弟有一双大眼睛，小鼻子，和一张像樱桃的小嘴。但我弟弟不会说话，他唯一能做的就是哭。
我的弟弟很可爱。他很喜欢皱眉头。当他皱着眉头，看起来他只是思考一些问题。他哭时，声音很有趣。听起来他是数数或他唱歌。也许他想成为一名歌手。
我爱我的小弟弟，你喜欢他吗?我希望我的弟弟能在未来成为超级明星。那时我会为他感到骄傲。