Correct

准定

/ zhǔn dìng / 
Strokes

Example

As an Adverb

certainly; surely; for sure

1
Chī
吃
xià
下
zhè
这
yào
药
nǐ
你
zhǔndìng
准定
huì
会
hǎo
好
  
。

You will certainly be cured after taking this medicine.