wear your heart on your sleeve
毫不掩饰地表达自己的情感或感情
口语·形容情感外露
英文释义
To openly and freely show or display one's emotions or feelings.
例句
She always wears her heart on her sleeve, so you know exactly how she feels.
典故来源
源自中世纪骑士在袖口佩戴爱人信物的习俗，象征公开展示情感。