1.I need a vacation.

　　我需要休假。

　　2.I have postponed my leave.

　　我已经推迟假期了。

　　3.I’ve been busy with work for a long time and need a rest.

　　我忙了好长一段时间，需要休息休息。

　　4.I would like to schedule my holidays for this year.

　　我要安排一下今年的假期。