その少年は運動神経が発達している。の英語

The boy has good reflexes.

That boy has good brains.

That boy is smart.

That boy is intelligent.

The boy is as spry as a cricket.

The vigorous man is engaged in diverse activities.

The vigorous man is engaged in diverse activities.

That boy is smart.

The vigorous man is engaged in diverse activities.

that boy is powerful big now

That boy is speaking English.

That boy is clever.

The boy has in him the making of a great man.

The boy is good at mental arithmetic.

That man is, so to speak, a grown-up boy.

That boy is Tony, isn't he?

The young man is a handsome figure.

The vigorous man is engaged in diverse activities.

This boy has a strong and healthy body.

The boy makes a fool of adults.

The boy has in him the making of a great man.

The boy has an inclination for literature―a bias towards literature.

This story really stirred the boy's imagination.

That boy is very smart.

The boy is a problem.

He is a most clever boy.

The boy is tall for his age.

That boy is not clever.

That boy has grown up and become a splendid young man.

The boy is remarkable for his courage.