Correct

花点子

/ huā diǎnzi / 
Strokes

Definition

trickery/scam

Example

As a Noun

deceitful idea; trick

1
Tā
他
yòu
又
xiǎng
想
shuǎ
耍
huā
花
diǎnzi
点子
  
。

He's come up with his little game again.

As a Noun

fancy but impractical idea

2
Wǒ
我
yào
要
de
的
bú
不
shi
是
zhèxiē
这些
huādiǎnzi
花点子
  
,
érshì
而是
kěxíng
可行
xìng
性
jìhuà
计划
  
。

What I want is a workable plan, not any of these unrealistic ideas.