怎么将这句话翻译成英文？

Play it by ear as the case might be.
或者直接Play it by ear.

或者adapt yourself quickly to changing condition (as the case may be).

Trees are dead, people are living.Approach to flexible

We should base on the fact to arrange things .

trees can't move, but human can.

Studies but cannot utilize, then reading the books to be equal to the scrap paper.

wa~~~~~~~~~~~~~~~~~~~~~~~~~~~厉害！