Hallmarking
v. 给（金、银）打上纯度印记( hallmark的现在分词 )
🗣️ 情景例句
Don't worry, be happy.
别担心，开心点。
He still has a bad cold.
他仍然患重感冒。
Their life is a natural harmony.
他们的生活是一种自然的和谐，