put on a brave face | put a brave face on something成語所屬單字braveput on a brave face | put a brave face on somethingput on a brave face | put a brave face on something — 慣用語慣用語1. to act calm and cheerful so other people do not see your worry or pain.1.慣用語釋義強顏歡笑；裝作鎮定to act calm and cheerful so other people do not see your worry or pain.例句Nadia put on a brave face before speaking to her children.After the test result, Bao put a brave face on his fear.