1. Make (a) contribution (s) to 为-----做贡献

　　Everyone should make a contribution to society.

　　2. devote to 献身，致力于-----

　　He has devoted his life to helping disabled people.

　　3. look forward to 期待，盼望

　　we are so much looking forward to seeing you again.

　　4. prefer----- to----- 两者间更喜欢-------

　　I prefer walking to cycling.

　　5. be used to 习惯----，适应-----

　　She is quite used to working hard.