NOT KNOWN DETAILS ABOUT SEX HIEP DAM

When you say "a kid" or "the children", this means adolescents. If you say "my kids" or "John's little ones", it means sons and daughters. (If John is often a Trainer, you might have to make use of context figure out which meaning is intended.)The word stays "youngsters" regardless of their age. You may elaborate on that with "grown-up youngsters"