have no heart的音標是[h?v no hɑ?t]，翻譯為“沒有勇氣；沒有心；無同情心”。速記技巧是：have（有）+no（沒有）+heart（心）。

have no heart這個詞的英文詞源可以追溯到古英語中的have和heart。其中，have表示擁有，heart則表示心臟。因此，這個詞的含義就是“沒有良心”、“沒有同情心”。

它的變化形式主要有兩種：過去式形式和現在分詞形式。過去式形式為had no heart，現在分詞形式為having no heart。

相關單詞：

1. heartless - 無情的，冷酷的

2. unfeeling - 無感覺的，冷酷無情的

3. insensibility - 麻木，無感覺

4. callous - 冷酷的，無情的

5. lack-hearted - 缺乏良心的，沒有同情心的

6. cold-hearted - 冷酷的，無情的人

7. hard-hearted - 心腸硬的，冷酷無情的人

8. merciless - 殘忍的，無情的

9. ruthless - 殘忍的，無情無義的

10. stone-hearted - 心如鐵石的，冷酷無情的人

這些單詞都與have no heart有著相似的含義，都表示缺乏同情心、良知等負面特質。這些單詞在英語中廣泛使用，表達了對于人性的深刻思考和對于道德品質的重視。

常用短語：

1. have no courage

2. have no conscience

3. have no compassion

4. have no intention

5. have no scruples

6. have no backbone

7. have no heart

雙語例句：

1. He lacks the courage to face his problems head-on.

2. She has no conscience when it comes to hurting others.

3. He has no compassion for the poor and needy.

4. She always acts with intention, never hesitating to take action.

5. He has no scruples about cheating others for his own gain.

6. She has no backbone when it comes to standing up for her beliefs.

7. He lacks the heart to help those in need.

英文小作文：

標題：Heartlessness in Society

In today"s society, we see many people lacking in empathy and compassion, showing heartlessness in their actions and words. This can be seen in the way they treat others, whether it"s through neglect, indifference, or outright cruelty.

When someone lacks a heart, they lack a fundamental sense of humanity, and this can have a negative impact on society as a whole. It can lead to a lack of understanding and empathy, which can create a culture of isolation and alienation. It can also lead to a lack of concern for others, which can result in selfishness and greed.

However, we must remember that everyone has the potential to be kind and compassionate, even if they may not show it in their actions at first. We should strive to create a culture of empathy and understanding, where we value the importance of kindness and compassion, and where we stand up for those who are vulnerable and in need of support. Only then can we create a more heartfelt and compassionate society.