The act itself of telling the public or the authorities about wrongdoing inside your own organisation. Where 'whistle-blower' is the person, 'whistle-blowing' is the thing they do — so it is a noun for the action (whistle-blowing is risky) and also works before another noun, as a describing word (a whistle-blowing case, whistle-blowing laws, a whistle-blowing hotline).

The act itself這個行為本身 of telling the public or the authorities就是告訴大眾或主管機關 about wrongdoing inside your own organisation你自己組織內部的不法行為。Where 'whistle-blower' is the person'whistle-blower'是指人, 'whistle-blowing' is the thing they do'whistle-blowing'則是他們做的這件事 — so it is a noun for the action所以它是表示這個行為的名詞 (whistle-blowing is risky)（whistle-blowing很有風險） and also works before another noun也可以放在另一個名詞前面, as a describing word當形容詞用 (a whistle-blowing case, whistle-blowing laws, a whistle-blowing hotline)（像a whistle-blowing case檢舉案、whistle-blowing laws揭弊法、a whistle-blowing hotline檢舉專線）。

You meet this form most in serious contexts: news reports, company rulebooks, law, and business ethics classes. It sounds formal; in ordinary conversation people say 'he blew the whistle on them' instead.

You meet this form most in serious contexts你最常在正式場合遇到這個字: news reports新聞報導, company rulebooks公司規章, law法律, and business ethics classes以及商業倫理課裡。It sounds formal它聽起來很正式; in ordinary conversation在日常對話裡 people say 'he blew the whistle on them' instead人們會改說'he blew the whistle on them'（他把他們的事捅出去了）。

Spelling varies the same way as whistle-blower — whistleblowing as one word is now very common. Note that this dictionary line describes the person, but the -ing form is the action; if you want the person, use whistle-blower.

Spelling varies the same way as whistle-blower拼法跟whistle-blower一樣會變化 — whistleblowing as one word現在把whistleblowing寫成一個字 is now very common已經很常見。Note注意 that this dictionary line describes the person這個字典條目講的是人, but the -ing form is the action但-ing形式指的是這個行為; if you want the person如果你要指人, use whistle-blower就用whistle-blower。