HSK C7-9
Correct

绽

/ zhàn / 
Strokes

Definition

to burst open/to split at the seam

Example

As a Verb

split; burst

1
Xié
鞋
kāi
开
zhàn
绽
le
了
  
。

The shoe bursts at a seam.

2
Zhànchū
绽出
xiàoróng
笑容

crack a smile

As a Noun

loophole; weak point