1. His truthfulness is one of the reasons why he is so well-respected in the community.
他的诚实是他在社区受人尊敬的原因之一。
2. The witness's truthfulness was called into question when she changed her story during cross-examination.
当证人在交叉询问时改变了故事，她的诚实性受到质疑。
3. The politician's truthfulness was doubted by many after he was caught lying about his past actions.
这位家在被谎言后，许多人对他的诚实性产生了怀疑。
4. The company's commitment to truthfulness and transparency has earned them a loyal customer base.
公司对诚实和透明的承诺赢得了忠实的客户群。
5. In order to maintain a strong relationship, trust and truthfulness are essential between friends.
为了保持良好的关系，朋友之间必须有信任和诚实。
读音：/ˈtruːθfʊlnəs/
用法：名词
例句：
1. She valued truthfulness above all else in her relationships.
她认为在人际关系中最重要的是诚实。
2. The company prides itself on its commitment to truthfulness and integrity.
该公司以其对诚实和正直的承诺而自豪。
3. His truthfulness was evident in the way he always told the whole story, even when it didn't benefit him.
他总是如此坦率地讲述整个故事，即使这并不对他有利，这表明了他的诚实。
4. The teacher emphasized the importance of truthfulness in academic work, warning students against plagiarism.
老师强调了学术工作中诚实的重要性，并告学生不要抄袭。
5. The journalist's truthfulness in reporting the facts was praised by her colleagues.
记者在报道事实时的诚实受到同事们的赞扬。
同义词及用法：
1. Honesty (名词) - the quality of being truthful and trustworthy.
例句：Honesty is the best policy when it comes to building strong relationships.
2. Sincerity (名词) - the quality of being genuine and honest in one's actions and words.
例句：Her sincerity was evident in the way she apologized for her mistake.
3. Veracity (名词) - conformity to facts; accuracy.
例句：The veracity of his claims was questioned by experts in the field.
4. Integrity (名词) - adherence to moral and ethical principles; honesty.
例句：The company's integrity was called into question after a scandal involving embezzlement.
5. Trustworthiness (名词) - the quality of being reliable and deserving of trust.
例句：His trustworthiness was proven when he kept his promise despite facing difficulties.
编辑总结：
Truthfulness是指说话或行为符合事实和的品质。它是建立信任和良好关系的基础，也是保持道德和道德准则的必要条件。同义词包括honesty、sincerity、veracity、integrity和trustworthiness等，它们都强调了诚实和可靠的品质。在写作中，我们应该尊重，并努力保持诚实的态度。