Cocksureness
非常确信\\n过于自信
🗣️ 情景例句
Thank you very much.
非常感谢。
Come on now-buck up-face the music-nose to the grindstone.
快振作起来，面对现实，埋头苦干。
At that moment, everybody began to laugh and sing.
此时，大家已经笑了起来，同时唱起了歌。