Correct

咔嚓

/ kāchā /
Strokes

Definition

(onom.) breaking or snapping/(coll.) cut it out/stop it/also written 喀嚓[kā chā]

Example

As an Onomatope

[cracking/snapping sound] crack; snap

1
chā
咔嚓
shēng
gùnzi
棍子
zhé
chéng
le
liǎng
duàn
  

He snapped the stick in half.

2
Jiǎng
chā
咔嚓
shēng
duàn
le
  

The oar broke with a snap.

3
chā
咔嚓
shēng
àn
xià
kuàimén
快门

click a camera