Vainest
a. 自负的( vain的最高级 ); 爱慕虚荣的; 徒劳的; 无用的
🗣️ 情景例句
I'm a senior here, so let me know if I can help you with anything.
我是大四的老生，有什么能帮忙的尽管说一声。
A change of work is as good as a rest.
调换一下工作是很好的休息。
'Could I have those two tickets please?' I asked.
“我可以买那两张票吗？”我问。