Definition
To display a happy and friendly demeanor, often unexpectedly or in contrast to typical behavior.
满面笑容
Despite his usual seriousness with colleagues, he was all smiles at the office gathering on Friday.
尽管他通常对同事很严肃，但他在周五的办公室聚会上却笑容满面。
She was all smiles when she found out about her promotion.
当地得知自己升职的消息时，她满脸笑容。
Despite recent challenges, she was all smiles during the meeting with the client.
尽管最近遇到了一些挑战，她在与客户的会议上仍然笑容满面。