Correct

打包票

/ dǎbāopiào /
Strokes

Definition

to vouch for/to guarantee

Example

As a Verb

vouch for; guarantee

1
gǎn
bāopiào
打包票
  
,
de
xiāoxi
消息
hěn
kào
可靠
  

I can vouch for the accuracy of my information.

2
gǎn
bāopiào
打包票
  
,
shi
gàn
zhǒng
那种
shì
de
rén
  

I guarantee that he is not the type of person who would do such a thing.