get your head down 集中全部精力；躺下睡觉

假如你 get your head down（把你的头低下来），意思就是 你把全部的精力集中在一项特定的任务上，竭尽全力。Get your head down 也可以表示 躺下睡觉。

例句

I need to get my head down and finish my homework I have got so much to do.

我得竭尽全力，做完作业。我还有不少作业要做。

Working at home means I can get my head down and get my work done without any distractions1.

在家工作意味着我能一心一意、不受干扰地完成工作。

Its already past midnight! Id better get my head down.

已经过了半夜了！我该睡了。