Correct

/ lei /
Strokes

Definition

sentence-final particle similar to 了[le], but carrying a tone of approval

Example

As a Particle

[used the way了is used, with positive connotation]

1
Zǒu
lei
  
!

Let's go.

2
Hǎo
lei
  
,
jiù
zhème
这么
bàn
  
!

So it is settled, and let's act accordingly!

3
Háng
lei
  
,
jiù
fàngxīn
放心
  
!

All right, I'll see to it.

Related

嘞嘞