expression
you can't catch the wind with a net
Proverb meaning that trying to do something impossible or futile is like trying to catch the wind with a net. Often used to describe situations where effort is wasted because the goal is unattainable.
彼を説得しようとしても、網の目に風とまらずだよ。
Trying to persuade him is like trying to catch the wind with a net.