TWO FROGS dwelt in the same pool. —
两只青蛙住在同一个池塘里。 —

When the pool dried up under the summer’s heat, they left it and set out together for another home. —
当夏天的炎热使得池塘干涸，它们离开了，一同出发寻找新的家园。 —

As they went along they chanced to pass a deep well, amply supplied with water, and when they saw it, one of the Frogs said to the other, “Let us descend and make our abode in this well: —
在它们前行的路上，它们碰巧路过一个充满水的深井，当它们看到井时，其中一只青蛙对另一只说：“我们下去，住在这口井里吧，它将为我们提供庇护和食物。” —

it will furnish us with shelter and food. —
另一只青蛙更为谨慎地回答道：“但是万一水不够用了怎么办？我们如何从这么深的井里爬出来？” —

” The other replied with greater caution, “But suppose the water should fail us. —
在做任何事情之前都要考虑后果。 —

How can we get out again from so great a depth?’
如此深的井，我们如果掉进去可怎么办？

Do nothing without a regard to the consequences.
含义对应的原文是：谨慎行事，不要贸然跳进井中——你可能进退两难！