1) ring in the new year: The expression ‘ring in the new year’ means to celebrate the beginning of the New Year. The expression comes from the tradition of ringing bells around towns on midnight of December 31st.
poem:
Ring out the old,
ring in the new,
Ring, happy bells, across the snow;
The year is going, let him go;
Ring out the false, ring in the true.
e.g. How do you plan to ring in the new year?
2) a new lease on life(重获新生)-My grandfather has a new lease on life since recovering from his heart surgery.
3)the new kid on the block(新手)-Who is the new kid on the block and why is he taking over like he is the boss?
4) you can’t teach an old dog new tricks(教老狗学新戏)- I haven’t been in school for 10 years, I can’t start to learn a new language now, you just can’t teach an old dog new tricks.
5) break new ground(开辟新天地)-The team is breaking new ground in cancer research, they may even find a cure for cancer soon.