1. role,角色

    staring role,主角
     supporting role,配角

2. in vogue=it is fashionable,正流行；正时兴
      Long skirts are in vogue nowadays.
      Korean dramas are in vogue.

3. What a pleasant surprise!
     Helen! I didn't know you work here too!
     What a pleasant surprise!

4.  in one's shoes=in one's situation,成为谁；处于谁的处境。
       You won the lottery. I'd love to be in your shoes.

5.  I'm speechless.我无语了。/我无话可说了。