A. Dont worry & Dont be afraid

B. Itll be OK & Its all right.

C. Well done！& Good job!

D. You can do it!

E. Come on~(以前只要一说自己不行，我导师就说Come on,老外怎么知道其实我是在谦虚)

F. Thats better.

G. Keep trying & Keep fighting