목석심장in English:cold-hearted person

Examples
with 목석심장.

• 그는 목석심장이라서 다른 사람의 감정을 이해하지 못해.geuneun moksuksimjangiraseo dareun saramui gamjeongeul ihaehaji mothae.He is a cold-hearted person and cannot understand other people's feelings.