Correct

千载一时

/ qiān zǎi yīshí /
Strokes

Example

Definition

chance that comes once in a thousand years; extremely rare opportunity; once in a blue moon

1
yào
不要
zāo
糟蹋
zhèyàng
这样
一个
qiān
zǎi
shí
de
huì
机会
  

Don't waste such a golden opportunity.