Definition
To act as if a problem is not serious or does not cause you concern, despite actually feeling worried.
表现得好像问题不大或不担心；强颜欢笑，装作镇定。
Despite losing his job, he put on a brave face, trying not to worry his family.
尽管失业了，他还是强颜欢笑，试着不让家人担心。
She tried to put on a brave face, but the tears in her eyes betrayed her inner sadness.
她试着强颜欢笑，但眼中的泪水出卖了她内心的悲伤。
Before the public speech, he took a deep breath and put on a brave face.
在公开演讲前，他深吸一口气，强作镇定。