An unsubstantiated claim is one that nobody has backed up with evidence.

An unsubstantiated claim is oneunsubstantiated claim指的是這樣的說法 that nobody has backed up with evidence沒有人拿出證據支持過

Notice carefully what this does and does not say. It does not say the claim is false. It says no proof has been shown — the claim is just sitting there, unsupported. That gap is exactly why the word exists, and why careful people reach for it.

Notice carefully what this does and does not say要仔細注意這個字說了什麼、又沒說什麼 It does not say the claim is false它並沒有說這個說法是假的 It says no proof has been shown它只是說沒有人拿出證據 the claim is just sitting there, unsupported這個說法就這樣擺在那，沒有支撐 That gap is exactly why the word exists就是這個空隙，讓這個字有存在的必要 and why careful people reach for it也是謹慎的人會選用它的原因

Journalists and lawyers use it constantly, because it lets them report that someone said something serious without agreeing that it is true: 'unsubstantiated allegations', 'unsubstantiated rumours', 'the report remains unsubstantiated'. It is a formal, written word — news, court, official inquiries, company statements. In conversation you would say 'there's no proof' instead.

Journalists and lawyers use it constantly記者和律師常常用這個字 because it lets them report that someone said something serious without agreeing that it is true因為它讓他們可以報導有人說了很嚴重的事，卻不用承認那是真的 'unsubstantiated allegations', 'unsubstantiated rumours', 'the report remains unsubstantiated'像「未經證實的指控」、「未經證實的傳聞」、「這份報告仍未經證實」 It is a formal, written word這是一個正式的書面用字 news, court, official inquiries, company statements用在新聞、法庭、官方調查、公司聲明這些場合 In conversation you would say 'there's no proof' instead口語裡你會直接說「沒有證據」

It nearly always sits in front of a small set of nouns: claim, allegation, rumour, report, accusation, complaint. Those nouns tell you the flavour: unsubstantiated usually attaches to something accusing, something that could damage a person if believed. There is a matching verb, 'substantiate' (to prove with evidence), which you will meet in the phrase 'substantiate a claim'.

It nearly always sits in front of a small set of nouns它幾乎都固定放在幾個名詞前面 claim, allegation, rumour, report, accusation, complaint像claim、allegation、rumour、report、accusation、complaint這些字 Those nouns tell you the flavour這些名詞透露出它的味道 unsubstantiated usually attaches to something accusingunsubstantiated通常是接在帶有指控性質的東西前面 something that could damage a person if believed一種如果被相信了就會傷害到某人的東西 There is a matching verb, 'substantiate'有一個對應的動詞'substantiate' (to prove with evidence)意思是用證據證明 which you will meet in the phrase 'substantiate a claim'你會在「substantiate a claim」這個說法裡看到它