in (great) need of 的用法,具体点,有例子更好,

in need of 需要（某物）in (great) need of 急切需要（某物）例：He was in great need of medical care。他迫切需要医疗护理。The earthquak victims are in great need of rescue。地震灾民急需救援。The wounded soldiers were in great need of a prompt operation。伤兵员急需马上动手术。