弟弟

dì di

HSK 1Noun (名)

Basic Meaning

Used for biological younger brothers; a common family term.

younger brother (from the same parents, or same father or mother)

同父母（或只同父、只同母）而年纪比自己小的男子。

Synonyms:

兄弟贤弟小弟

Antonyms:

Sentences:

我(wǒ)弟(dì)弟(di)今(jīn)年(nián)十(shí)岁(suì)
My younger brother is ten years old this year.
弟(dì)弟(di)喜(xǐ)欢(huān)打(dǎ)篮(lán)球(qiú)
My younger brother likes to play basketball.

Refers to male relatives like 叔伯弟弟 or 远房弟弟; often used in extended family contexts.

younger male cousin (from the same clan or same generation)

同族同辈而年纪比自己小的男子。

Words:

叔伯弟弟远房弟弟

Synonyms:

兄弟贤弟

Antonyms:

Sentences:

我(wǒ)的(de)叔(shū)伯(bó)弟(dì)弟(di)住(zhù)在(zài)北(běi)京(jīng)
My younger male cousin lives in Beijing.
远(yuǎn)房(fáng)弟(dì)弟(di)来(lái)我(wǒ)家(jiā)做(zuò)客(kè)
A distant younger male cousin came to visit my home.

Informal term for a younger male friend, showing closeness or affection.

younger male friend

朋友中年龄小的男子。

Synonyms:

兄弟贤弟

Antonyms:

Sentences:

他(tā)是(shì)我(wǒ)的(de)好(hǎo)朋(péng)友(yǒu)，我(wǒ)常(cháng)叫(jiào)他(tā)弟(dì)弟(di)
He is my good friend, and I often call him my younger brother.
弟(dì)弟(di)，我(wǒ)们(men)一(yī)起(qǐ)去(qù)看(kàn)电(diàn)影(yǐng)吧(ba)
Bro, let's go watch a movie together.

younger brother