1·If you run after two hares, you will catch neither.
两只兔都赶，一只也逮不着。
—— 《新英汉大辞典》
2·If you run after two hares you will catch neither.
如果你同时追两只兔子，你将会一只也抓不到。
3·Let's take things a step at a time. You know what they say. If you run after two hares you will catch neither.
让我们一步步做吧，俗语说得好：同时追两兔，一只也捉不到。