それには訓練が必要である。の英語

It needs exercise.

Then it must go to a training center.

That requires practice and long hours.

training is a necessary preliminary to employment

One's talent is in need of discipline.

The exercises did her good.

This takes skill.

That is necessary for this task.

to provide discipline for; to train

Will you keep doing that training for me from now on?

That needs authentication.

It requires years of training.

Caution towards that is needed.

That needs the work of a technician.

This is not training, it is a real battle.

to be subjected to training―（自ら進んで受ければ）―submit oneself to training

That needs some kind of countermeasure.

Training makes a difference.

That requires management.

It takes years of training to learn acrobatics.

Acrobatics require(s) long training.

I am going to get that training.

trained pigeons

disciplinal measures

Because of that, electrical work is required.

That is for now an important investigation.

That needs a discussion.

That is necessary for that invention.

They are sent to the battlefront without much training.

Concentrate your attention on training.