please help me to explain this sentence

it’s gonna be a kick ass thing when it comes out, thats for sure

i don’t understand it → a kick ass thing

Let’s see …

It will be something with new features and ahead of other products.

It will be something that makes other products look old and undesirable.

Like kicking other products in the rear end.

Hope that helps.

You may wish to hide your email address in your profile. I doubt there is a direct Mandarin equivalent to “kick ass” ;D. It’s not an expression that is used much in Australia but the meaning described by “alanrf” would be understood by most people here.

Australia is not alone. I suspect that the term is only widely understood in North America. Many in English speaking areas may have learned to understand it from films and other media offerings originating from the US.