Correct

风吹草动

/ fēng chuī cǎo dòng / 
Strokes

Example

Definition

rustle of leaves in the wind—a sign of disturbance, trouble, misfortune, etc

1
Yī
一
yǒu
有
fēngchuīcǎodòng
风吹草动
  
,
jiù
就
jīnghuángshīcuò
惊惶失措

fly into a panic at the mere rustle of leaves in the wind