Meaning of rén:
儿
variant of 人[ren2]; "person" radical in Chinese characters (Kangxi radical 10), occurring in 兒, 兀, 兄 etc; child; son
Tā shì yī gè hǎo ér.
他是一个好儿。
He is a good child.
Zhège zì lǐmiàn yǒu yīgè “ér” zì zuò bùshǒu.
这个字里面有一个“儿”字作部首。
This character contains the radical '儿' as a component.
Zhège xiǎo nǚhái shì tā de qīnshēng érnǚ.
这个小女孩是他的亲生儿女。
This little girl is his biological child.
Tā shì yī gè cōngmíng de érzi.
他是一个聪明的儿子。
He is a smart son.
non-syllabic diminutive suffix
Xuě ér yuè lái yuè dà, wǒmen gǎnjǐn huí jiā ba.
雪⼉越来越大,我们赶紧回家吧。
The snow is getting heavier, let's hurry home.
retroflex final
Běijīng rén xǐhuān yòng 'zhè'er' lái zhǐdài dìfāng.
北京人喜欢用'这儿'来指代地方。
Beijingers like to use 'zhèr' to refer to places.