Adolescence /ˌæd

demonstrate /ˈdem.ən.streɪt/ verb EXPRESS
3. [ T ] to express or show that you have a particular feeling, quality or ability
He has demonstrated a genuine interest in the project.
His answer demonstrated a complete lack of understanding of the question.
demonstrate /ˈdem.ən.streɪt/ verb MARCH
4. [ I ] to make a public expression that you are not satisfied about something, especially by marching or having a meeting
Thousands of people gathered to demonstrate against the new proposals.
distinguish /dɪˈstɪŋ.gwɪʃ/ verb
1. [ I or T not continuous ] to notice or understand the difference between two things, or to make one person or thing seem different from another
He's colour-blind and can't distinguish (the difference) between red and green easily.
I sometimes have difficulty distinguishing Spanish from Portuguese.
It's important to distinguish between business and pleasure.
It's not the beauty so much as the range of his voice that distinguishes him from other tenors.
2. distinguish yourself
to do something so well that you are admired and praised for it
He distinguished himself in British theatre at a very early age.