Correct

当啷

/ dānglāng / 
Strokes

Definition

(onom.) metallic sound/clanging

Example

As an Onomatope

clank; clang

1
Tiěmén
铁门
dānglāng
当啷
yī
一
shēng
声
guānshàng
关上
le
了
  
。

The iron gate clanked shut.