A noise you make to mock someone — the sound of a child in a playground pulling a face and jeering, roughly "ha ha, you lost". It is British, it is old-fashioned, and grown people almost never shout it seriously today.

A noise you make to mock someone一種用來嘲笑別人的聲音—— the sound of a child in a playground pulling a face and jeering就像操場上的小孩扮鬼臉、起鬨的那種聲音， roughly "ha ha, you lost"大概是『哈哈，你輸了』的意思。 It is British, it is old-fashioned這是英式用法，而且很老派， and grown people almost never shout it seriously today現在的大人幾乎不會認真喊出這個聲音了。

Where you actually meet it is as a describing word for the way adults argue badly: "yah-boo politics", "yah-boo debate". That means shouting, point-scoring and name-calling instead of real reasons — politicians behaving like children in a playground.

Where you actually meet it is as a describing word for the way adults argue badly你實際上會遇到它，是當作一個形容詞，用來說大人吵架吵得很難看的方式： "yah-boo politics", "yah-boo debate"『yah-boo politics』幼稚互嗆的政治、『yah-boo debate』幼稚的辯論。 That means shouting, point-scoring and name-calling instead of real reasons意思是只有大呼小叫、互相扣分、互罵，卻沒有真正的理由—— politicians behaving like children in a playground政治人物表現得像操場上的小孩一樣。

British newspapers and broadcasters use it in this way quite often, especially about noisy sessions of Parliament. The longer form is "yah-boo sucks", which is even more clearly the playground taunt.

British newspapers and broadcasters use it in this way quite often英國的報紙和廣播電台常常這樣用， especially about noisy sessions of Parliament尤其是在講國會裡吵鬧的會議時。 The longer form is "yah-boo sucks"比較長的說法是『yah-boo sucks』， which is even more clearly the playground taunt更清楚就是操場上的那種嘲笑。

When you see it, the writer is nearly always disapproving: they are not joining in the jeering, they are complaining about it. So the word does two jobs at once — it makes the noise, and it judges the noise.

When you see it, the writer is nearly always disapproving當你看到這個字的時候，作者幾乎都是在表達不認同： they are not joining in the jeering, they are complaining about it他們不是在加入起鬨，而是在抱怨這種起鬨。 So the word does two jobs at once所以這個字同時做了兩件事—— it makes the noise, and it judges the noise它模擬那個嘲笑聲，也在評斷那個嘲笑聲。