He said the protesters were doing a disservice to the nation. [+ to]
他说抗议者正对国家造成危害。
You could do yourself a grave disservice by revealing all to a potential rival.
将一切都透露给潜在的竞争对手只会给自己帮倒忙。
noun
👨🏻🏫 Mr. Ng 柯林斯詞典 📚 – collins.mister5️⃣.net切換為繁體中文