但是朋友B却完全相反，看上去很外向，喜欢表现自己，实际上却更偏于内向，

但是朋友B却完全相反，看上去很外向，喜欢表现自己，实际上却更偏于内向，总是选择退缩，极具防御并且对周围的人不感兴趣

結果 (英文) 1:

But b is exactly the opposite, look very outgoing, like to show how, in fact, is more reserved, always choose to retreat, very defensive and not interested in the people around

結果 (英文) 2:

But the friend B are exactly the opposite, looks very outgoing, likes to express themselves, in fact, was more inclined to introverted, always choose retreat, great defense and not interested in the people around

結果 (英文) 3:

But friends B is completely opposite, looks very outgoing, like to show themselves, but actually more introverted, always choose to retreat, very defensive and not interested in the people around