A chart-topping song, album, or group is the one sitting at number one on the weekly music list — the chart that ranks what sold or streamed the most that week. Radio and magazines love this word because it sounds like a win: not just popular, but the most popular right now.

A chart-topping song, album, or group一首、一張專輯，或一個團體如果是 chart-topping is the one sitting at number one on the weekly music list指的就是在每週音樂排行榜上坐上第一名的那個 — the chart that ranks what sold or streamed the most that week那個排行榜是根據那一週賣最多、串流最多來排名的. Radio and magazines love this word廣播和雜誌很愛用這個字 because it sounds like a win因為聽起來就像贏了: not just popular不只是受歡迎, but the most popular right now而是現在最紅的.

It is almost always an adjective before a noun (a chart-topping single, a chart-topping act), and it is about that week’s list, not “famous forever.” A song can be chart-topping in one country and nowhere in another.

It is almost always an adjective before a noun它幾乎都是放在名詞前面的形容詞，像 a chart-topping single、a chart-topping act, and it is about that week's list而且指的是那一週的排行榜, not "famous forever."不是「永遠有名」. A song can be chart-topping in one country and nowhere in another同一首歌可能在一個國家是冠軍，在另一個國家卻沒沒無聞.

People stretch it a little for books, apps, or podcasts that lead their own lists, but the home of the word is still pop music. It is informal-to-neutral publicity language, not a technical term.

People stretch it a little for books, apps, or podcasts that lead their own lists人們也會把這個字稍微延伸用在自己排行榜上領先的書、app 或 podcast, but the home of the word is still pop music不過這個字的本家還是流行音樂. It is informal-to-neutral publicity language它是偏口語到中性的宣傳用語, not a technical term不是技術性的術語.