その議論には、全く説得力がない。の英語

The argument has no force.

The argument will not hold.

This argument is not a valid

There is no point arguing about the matter.

It's no use arguing about it.

It is no use arguing about it.

Your argument does not hold water.

This argument is not deductively valid.

It is an impracticable argument.

That is an incontestable truth.

Your argument is illogical.

Your argument does not hold water.

It is useless even if I discuss with you.

The argument is contrary to reason―against reason.

The argument is untenable

The argument is unsound

The argument has no log to stand upon.

The argument does not hold water

Let's not argue for the sake of arguing.

Such arguments make （not for, but） against your interests.

It is no use arguing with such a foolish man.

Assuming the statement to be true, your argument does not hold water.

It is hardly worth discussing.

What is the basis for the argument?

Your argument is against reason―contrary to reason―illogical.

a meaningless discussion

I don't like arguing.

not given to or characterized by argument

It is no use arguing about it.

The discussion produced a great deal of noise, but no forward motion.