I think it's a Idiom
Like
If you don't want to help, don't destroy.
#please understand directly with my opinion
There sentence in # is so popular word in Thailand
When you want to infrom some news about your life, in the end of sentence you can say เข้าใจตรงกันนะ
For repeat that hearers is understood like you wanna inform or not
เข้าใจตรงกันนะ!