blush like a blue dog的用法和樣例：
例句
- It is a shame, though, She is such a wildcat!
真不害臊啊，她就像只野貓一樣！ - The old man was thrown into a fright at once.
老人不覺大吃一驚。 - A dead end is just a good place to turnaround.
所有終點都是起點，只是當時混然不覺。 - One must have a thick hide to do such a thing.
厚臉皮的人才幹得出這種事。 - He's really a thick-skinned gate-crasher.
他真是個厚臉皮的不速之客。
