cold-heartedWiktionary 原文构词拆分cold词根/词干+hearted词根/词干词源说明From cold heart + -ed, equivalent to cold + hearted. Compare Old English caldheort (“cold-hearted”).释义（英文）形容词 Adjective(figurative) Without sympathy, feeling or compassion; callous or heartless.词族派生词（2）cold-heartedlycold-heartedness