Hallmarking
v. 给（金、银）打上纯度印记( hallmark的现在分词 )
🗣️ 情景例句
Do you want a first class, business class or economy seat?
你想要头等舱、商务舱还是经济舱？
Off base!
太离谱了吧！
That was a pleasant surprise.
这是意想不能的好事。