Correct
单个儿
/ shàn gèr /
Strokes
Definition
erhua variant of 单个[dān ge]
Example
As a Noun
individual; oneself
1
Wǒ
我
shàngèrnéng
单个儿
wán
能
chéngzhè
完成
xiàngrèn
这项
wu
任务
。
I can fulfil this task by myself.
As a Noun
one in a pair/set
2
Zhè
这
tào
套
chájù
茶具
shàngèrmài
单个儿
ma
卖
吗
?
Are the tea things sold by the piece?