Correct

虚掷

/ xū zhì / 
Strokes

Example

As a Verb

waste (time, money, etc)

1
Niánqīngrén
年轻人
bù
不
yīnggāi
应该
xū
虚
zhì
掷
qīngchūn
青春
  
。

Young people should not cast away their youth.

2
Xū
虚
zhì
掷
guāngyīn
光阴

fritter/idle/dream away one's time