弟弟

• 拼音: dì di
• 汉字拆解: 弟弟 = reduplication of 弟 (younger brother)

含义

Younger brother. Used to address or refer to one's younger male sibling.

Specifically means a brother who is younger than oneself. Older brother is 哥哥. Can also refer loosely to a younger male in an extended family or close community. In casual use, 弟 alone is rare; the reduplicated form 弟弟 is standard.

例句

1. 我弟弟今年八岁。
2. 弟弟在学校上课。
3. 他有一个弟弟。

用法指南

语境: family, everyday

语气: affectionate

正确说法

• 你弟弟几岁了？(How old is your younger brother?)
• 我弟弟很喜欢打球。(My younger brother really likes playing ball.)

错误说法

• 弟弟 referring to an older male sibling (弟弟 is only for younger brothers — use 哥哥 for older brother)

起源与历史

Reduplication of 弟 (younger brother). The character 弟 originally depicted a bow wrapped with cord, later borrowed for the meaning of 'younger sibling.'

文化背景

世代: All ages

社会背景: Universal