Correct

杞人忧天

/ qǐrényōutiān /
Strokes

Definition

man of Qǐ fears the sky falling (idiom); groundless fears

Example

Definition

like the man of Qi who feared that the sky might fall―entertain imaginary or groundless fears; unnecessary worry/anxiety

1
Zhè
shi
rényōutiān
杞人忧天
ma
  
?
Wánquán
完全
shì
duō
多余
de
顾虑
  

Isn't it like the man of Qi who was afraid of the sky falling? You're worrying unnecessarily.

2
Zhè
bìng
shì
rényōutiān
杞人忧天
  

This is not an unfounded fear.

3
yào
不要
rényōutiān
杞人忧天
  

Don't cross the bridge until you come to it.