Tough???!!

Hey, dear all my friends...
What is my first impression for you all???

Today is my third day in my new working place...
from one of my colleagues, she said i am a "TOUGH" people...

Before this, most of friends around me comment me...
i have “容易被欺负” 的脸
from my face know... this person can bully de....

BUT...

Today is first time ...
someone told me, i look "TOUGH" or "STRONG"....
AM I????