HSK 4 HSK C4/V4
Correct

呀

/ ya / 
Strokes

Definition

(particle equivalent to 啊 after a vowel, expressing surprise or doubt)

Example

As an Interjection

wow

1
Ya
呀
  
,
tāmen
他们
bǎ
把
jiàoshì
教室
lòng
弄
de
得
luànqībāzāo
乱七八糟
  
。

Wow, what a mess they've made of the classroom!

As an Onomatope

creak

2
Dàmén
大门
ya
呀
de
的
yī
一
shēng
声
dǎkāi
打开
le
了
  
。

The door creaked/squeaked open. / The door opened with a creak.