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1·This roughly translates as young whippersnapper.

这个词大概是傲慢的年轻人的意思。

2·Is the Portuguese whippersnapper ready to compete immediately for a first-team place at Old Trafford when he arrives next season?

这个自视颇高的葡萄牙人已经准备好下赛季马上为曼联一线队踢球了吗？

3·A final point: the word whippersnapper is a favourite of mine. It is deliciously evocative. My advice that I give with lingering regret: avoid.

最后一点：“自以为是的年轻人”这个字眼我很喜欢。它很容易引起共鸣。但我不得不遗憾地建议：避免用它。

4·Comparing this whippersnapper to older craters can therefore help researchers figure out how fast wind action changes the red planet's surface.

通过比较这个新生的和那些古老的陨石坑，可以帮助研究者们解决火星表面的风蚀速度的问题。