cold-hearted

Adjective

Without sympathy, feeling or compassion; callous or heartless

Japanese Meaning

同情心や感情がなく、冷淡で非情な / 心が冷たい / 無慈悲で冷酷な

Despite knowing the truth, he remained cold-hearted and refused to help the family.

真実を知っていたにもかかわらず、彼は冷酷で家族を助けることを拒んだ。

Sense（1）

Without sympathy, feeling or compassion; callous or heartless

more cold-hearted

（ comparative ）

most cold-hearted

（ superlative ）