impugner的音標為[?mp??ɡn?(r)]，基本翻譯為“攻擊者；詆毀者”。速記技巧為：攻擊者-impugner-im-pu-ger（pu為b發音的u）。

Impugner這個詞來自拉丁語，意思是“質疑者”或“批評者”。它的變化形式主要有過去式impugned，現在分詞impugning，過去分詞impugned。

相關單詞：

1. Impugnation：質疑，批評；

2. Impugner：質疑者，批評者；

3. Impugn：質疑，指責；

4. Impugning：質疑的行為；

5. Impugnable：可質疑的；

6. Impugningly：質疑地；

7. Impugnatory：質疑的，批評的；

8. Impugningly adv. 質疑地；

9. Impugning theory 質疑理論；

10. Impugned adv. 被質疑的。

Impugner這個詞通常用于指對某人的行為或言論提出質疑的人。這個詞在法律、政治、學術等領域中比較常見。同時，這個詞也常用于文學作品中，用來描述那些對人物的行為或言論提出質疑的角色。在英語中，Impugner這個詞的使用頻率相對較低，但在某些特定的語境中，它仍然是一個有用的詞匯。

常用短語：

1. impugn 質疑

2. impugn the credibility of 質疑...的可信度

例句：The accusation was immediately met with an impassioned defense from the accused, impugning the accuser"s credibility.

3. impugn sb"s motives 質疑某人的動機

例句：He accused her of being motivated by malice, impugning her integrity.

4. impugn sb"s character 質疑某人的品行

例句：He impugned her character, claiming that she was untrustworthy.

5. impugn one"s judgment 質疑某人的判斷力

例句：He criticized her decision to invest in a risky stock market, impugning her judgment.

6. impugn sb"s authority 質疑某人的權威性

例句：He criticized the professor"s teaching methods, impugning their authority.

7. impugn sb"s integrity 質疑某人的正直

例句：He accused her of being dishonest, impugning her integrity.

英文小作文：

The Importance of Being Trustworthy

Being trustworthy is an essential quality in any relationship, whether it"s with friends, family, or even in our professional lives. When we are able to be honest and reliable, we earn the trust of others and create a foundation for strong bonds and lasting relationships. However, when we are not trustworthy, we erode that trust and can damage our reputation and credibility.

It"s important to remember that impugning someone"s character or integrity is a serious accusation that should be taken with caution. If someone accuses us of being untrustworthy, we need to take a close look at our own behavior and make sure we are living up to our own standards and expectations. Only then can we truly earn back the trust of those we have disappointed.