An action can be coldhearted as well. This would be one that shows no love or sympathy.

行为也可能是冷酷无情的，这类行为是无感情的或者是无怜悯的。

Regarding her as the primary cause of all my sufferings, I entertained for her no other sentiment than disgust.

把我所有痛苦的要原因， 我对恶之外别无感情。

When we say something is " unsentimental, " we mean it doesn't express feelings or emotions; it's somewhat cold.

我们说某件事是“无感情的” 时，我们的意思是它不表达感情或情绪；有点冷。

PTSD patients may also experience numbing, or periods of feeling emotionless or emotionally " flat" and dissociation, feeling as if situations aren't real or are surreal, feeling like time has slowed down or sped up, or even blacking out.

PTSD 患者也可能会感到麻木，或感觉无感情或情绪“平淡” 和分离，感觉好像情况不真实或超现实，感觉时间变慢或加速， 甚至昏厥。