1. No one, however, could outdo the sparrow tsar, or so you might think. 然而，或许你可能想到了，没有任何人可以胜过“麻雀沙皇”。
2. When you try to outdo yourself, the Law of Diminishing Kicks exerts itself —you want more, better, sooner. 当你试着向上更进一步，边际效益递减规律开始呈现威力—你想要更多，更好，更快。
3. We just generally try to outdo ourselves each time out, and that naturally drives us to improve on all fronts. 我们通常只是试图每次都超越我们自己，而这很自然的使我们在各个方面得到改进。
英英解释
v.
1. be or do something to a greater degree
2. get the better of
