He is a character of honor.

He started studying the day before the exam, which was exactly a case of failing to make a timed preparation.

A comprehensive reform is necessary to eradicate the root of the problem.

He tried to solve the problem radically.

Please find the cube root of this number.

He didn't move, like a stump.

He fractured his tarsal bone.

He fractured his carpal bone.

She does exercises to strengthen her procerus muscle every day.

He is studying Japanese.