Vainness
n. 无益, 徒然, 自负
✅ 同义词
📖 牛津释义
vainness
n [U].
🗣️ 情景例句
I think something he can use is the best. A watch or something.
最好是实用的，像手表啦或什么的。
You have my word.
我保证。
and who drew his conclusions fearlessly.
并大胆地得出自己的结论。