He said the protesters were doing a disservice to the nation. [+ to]
他說抗議者正對國家造成危害。
You could do yourself a grave disservice by revealing all to a potential rival.
將一切都透露給潛在的競爭對手只會給自己幫倒忙。
👨🏻🏫 Mr. Ng 柯林斯詞典 📚 – collins.mister5️⃣.net切换为简体中文