Correct

平底

/ píngdǐ / 
Strokes

Definition

flat bottomed/low heeled

Example

As a Noun

flat bottom; flat soles

1
Píngdǐxié
平底鞋

flat shoes; low shoes

2
Píngdǐ
平底
tuōxié
拖鞋

scuff slippers

3
Píngdǐ
平底
  
(
jiān
浅
  
)
pán
盘

pan

4
Píngdǐ
平底
biàn
便
xié
鞋

loafers