なんか食べ足りないなぁ って英語でなんて言うの？

"I know we just ate, but I'm still peckish" In this sentence you're expressing to your friends or people you're with, that you're still hungry after eating. The word "peckish"is an adjective that means "hungry". "Even after eating, my stomach is still growling!" In this expression, you are stating that your stomach is as hungry as a wild animal, and that's why it's growling like one. Animals tend to growl when they're hungry.

I still have some room for more food. - This sentence can be used to describe the amount of space you have left in your stomach. This sentence also expressed your hunger for more, until there is no more room in your stomach for food. I am not completely full, I think I could go for more. - This sentence can be used to express the status of your appetite. "I think I could go for more" expresses the decision you are making for having the hunger to eat more food even though you just ate.

All of these are good examples that can be used to describe that you did not have enough food to eat and that you still feel hungry. I am not full yet! "not full" - I still have space in my stomach/tummy to eat more I didn't have enough to eat! "enough" - I still feel hungry I still feel a bit hollow! "hollow" - an empty spot in my tummy/stomach

If you are still hungry after eating it means that you are not full, you are not completely satisfied and you need more food. To express this, use the sentences above. "Can I have more food mom? I'm still hungry! That meal was not filling." "I'm still hungry, I'm ordering another pizza." Not filling: when something does not make you full, you still need more after eating it.

if you have already eaten but do not feel full or satisfied, you may simply say something like "i have already eaten however i am still hungry." or 'I am hungry even though i ate earlier." The word "still" in these sentences makes the other party aware of the fact that you are CURRENTLY hungry.

Depending on how hungry you are before you eat a meal then you might feel hungry after eating as you maybe haven't had enough food or is hasn't had chance to get into yoour belly properly yet 'I'm still kind of hungry' or 'I'm still not full' would explain this

"I could eat more." can be said if your might have just eaten and are still hungry.

You can simply say "I'm still hungry," which is a way to explain that you want to eat more and your hunger was not satisfied. Another way to say that you didn't eat enough is by saying "I'm not full yet." When someone has eaten enough and they're satisfied, they usually say "I'm full", so to say that you have not eaten enough to be satisfied, you say "I'm not full yet." These expressions are both used often, and it usually happens when you have a snack or small amount of food as opposed to a large meal.

You just ate something but still feel hungry. You wish to explain how you feel. The above suggestions are adequate for this scenario.