Correct

中不溜儿

/ zhōng bù liūr /
Strokes

Example

As an Adjective

fair to middling; middling

1
yào
不要
xiē
那些
tài
de
,
tiāo
zhōng
liūr
溜儿
de

Those are too big. Pick a moderate one.

2
zi
个子
zhōng
liūr
溜儿

be of middling height; be medium-sized/middle-sized

3
Kǎoshì
考试
chéng
成绩
zhōng
liūr
溜儿

get a middling score