● pug(il) (fight)

It’s a sad irony that Muhammad Ali, the “pugilist poet,” has largely lost his ability to speak due Parkinson’s syndrome.
穆罕默德．阿里這位「拳擊詩人」因受震顫性麻痺之苦而幾乎已失去說話的能力，這真是一個令人悲傷的諷刺。

♦ ist (one who)

● pug(na) (fight)

He was too easygoing and conciliatory to be invited on many TV talk shows, which seemed to prefer angrier, more pugnacious guests.
他太隨和且願與人為善，並不合適受邀上電視脫口秀，這些節目似乎比較喜歡較怒氣沖沖、較好鬥的來賓。

♦ (ci)ous (full of)

■ im (into)

Unable to contradict the witness’s description of the crime, the defense attorney sought to undermine his credibility by impugning his character.
因為無法反駁證人對犯罪事件的描述，於是被告的辯護律師採取抨擊他的人格的方式設法削弱他的可信度。

● pug(n) (fight)

以上內容出自：

 王復國 老師

 《理解核心字源》