Because jumping the queue is severely punished. 因为插队会受到严厉的惩罚

117. Access to the precious water is determined by rank.
     地位决定了喝水的顺序
118. She is so low in the pecking order...
     雌狒狒的地位如此之低
119. ..she might fail to get any drink at all.
     甚至可能完全喝不上水
120. Because jumping the queue is severely punished.
     因为插队会受到严厉的惩罚
121. It's risky, but she can't wait any longer.
     虽然风险很高 但雌狒狒不能再等了
122. A dangerous move.
     一步险招
123. But there's no match for a mother's determination.
     但母亲的决心战胜了一切

来自《行星地球 第三季 第三集 Planet Earth S03E03 沙漠与草原》第 120 行