keep one's head

基本解释

Such as listen to "hand to head", they must put their hand to The partner's head. Keep this motion and continue to do the next one.
如听到“手对头”那么双方应该把自己的手放到对方的头上，保持这个姿势继续听指令做下一个动作。
To keep one's head above water means to try to survive by staying out of debt, for example a small business. also, keep up with work or other demands.
意指努力不让自已的事业陷入财政危机。还有一种意思：跟得上工作进度或要求。
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He admits, though, that if he were younger or poorer he probably would not have left, "but rather have sought a low-profile posting where one can keep one's head down and wait."
虽然他坦承，如果他更年轻或是更贫穷一点也许就不会辞职了，“反倒是会谋求一个安守本分的低调职位。

What's pumping the head up is the gangs around here, it's pumping the young one's head up to keep it going.
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