Translation: Mr. Kimura is short (low stature).
- 'せが ひくい' (背が低い) means 'short (in height)'.
- Figurative equivalence: Being short in stature is generally associated with having a 'small body/physique' (体が小さい).
- Correct: 木村さんの 体は 小さい です。(Mr. Kimura's body is small.)