自信微笑的英文缩写为confident smile。
双语例句
1.他注意到她充满自信的微笑。
He noticed her confident smile.
2.每天出门照镜子，给自己一个自信的微笑。
Go out every day, to mirror a confident smile.
3.她面带自信的微笑。
She has a confident smile on her face.