needless waste/worry/suffering 不必要的浪费/担心/痛苦
Smoke alarms could have prevented these needless deaths. 烟雾报警器本可以避免这些不必要的死亡。
These trees were needlessly cut down. 砍倒这些树是没有必要的。
👨🏻🏫 Mr. Ng 麥美倫詞典 📚 – macmillan.mister5️⃣.net切換為繁體中文