expression, i-adjective
physically strong; in good health; having a strong constitution
Describes a person who is robust, rarely gets sick, and has good physical stamina. Often used to contrast with someone who is weak or sickly.
彼は体が強いから、風邪をひかない。
He has a strong constitution, so he doesn't catch colds.
子供の頃から体が強くて、
I've been physically strong since childhood and have never been absent due to illness.