What does “Mum's the word” mean?

Mum's the word

Meaning: Keep quiet; don't say anything. Used when someone tells you to keep a secret or stay silent about something.

Silencio total

Significado: Guarda silencio; no digas nada. Se usa cuando alguien te dice que guardes un secreto o que te calles sobre algo.

Boca de siri

Significado: Fique quieto; não diga nada. Usado quando alguém pede para você guardar segredo ou ficar em silêncio sobre algo.

Motus

Signification: Tais-toi ; ne dis rien. Utilisé quand quelqu'un vous demande de garder un secret ou de rester silencieux à propos de quelque chose.

Mund halten

Bedeutung: Still sein; nichts sagen. Wird verwendet, wenn jemand dich bittet, ein Geheimnis zu bewahren oder über etwas zu schweigen.

Bocca chiusa

Significato: Stai zitto; non dire niente. Usato quando qualcuno ti chiede di mantenere un segreto o di stare in silenzio su qualcosa.

Ağzını sıkı tut

Anlam: Sessiz ol; hiçbir şey söyleme. Birisi senden bir sırrı saklamanı veya bir şey hakkında sessiz kalmanı istediğinde kullanılır.

守口如瓶

意思: 保持沉默；什么也别说。当有人告诉你保守秘密或对某事保持沉默时使用。

口が固い

意味: 黙っていること；何も言わないこと。誰かが秘密を守るよう、または何かについて黙っているように言うときに使われる。

입을 꼭 닫다

의미: 조용히 하라; 아무 말도 하지 마라. 누군가가 비밀을 지키거나 어떤 일에 대해 침묵하라고 요청할 때 사용된다.

Dialogue

14:20:10 - I'm planning a surprise trip for my wife's birthday.

14:20:13 - That's wonderful. Don't worry, mum's the word. I won't say a thing.

14:20:16 - Thanks. I want to keep it a secret until the last moment.

14:20:19 - You can count on me.

11:30:55 - Is anyone else supposed to know about this?

11:30:58 - No, it's just between us. Mum's the word.

11:31:01 - Got it. I won't mention it to anyone.

11:31:04 - Good. I knew I could trust you.

16:50:45 - We're going to redecorate the office as a surprise for the boss.

16:50:48 - That's a great idea. Mum's the word. I won't tell anyone.

16:50:51 - Perfect. We want it to be a complete surprise.

16:50:54 - I'll help you plan it this weekend.