答案:winter vacation plan/plan on winter vacation
1.自从不用早起的那天开始,我就开始实行那些密密麻麻的寒假计划。
No sooner had I started the abundant plans than the day which I didn't need towake up early.
2.寒假你计划做什么?我打算去上海找一份工作为下学期挣一些钱。
What are you planning to do in your winter vacation? I'm planning to go toShanghai to find a job in order to earn some money for next term.
3.他们正在拟定寒假旅行的计划。
They are making a plan for the winter vacation.
4.一次寒假里在意大利的全家旅行让Mika想出了这个计划。
Mika told police he instigated the plan having been inspired by a winter holidaywith his family in Italy.