blush like a blue dog

例句：

1. 1. She felt embarrassed and quickly turned away from the crowd.
   她感到尴尬，并迅速从人群中转过身去。
2. 2. The child's eyes filled with tears as he blushed at his own mistake.
   孩子的眼睛充满了泪水，因为他为自己的错误而羞愧。
3. 3. As she walked past the mirror, she couldn't help but blush at her reflection.
   当她走过镜子时，她忍不住为镜中的自己脸红。