表达 “have a frog in your throat” 并不是真的指 “喉咙里有只青蛙”，而是比喻喉咙像被什么东西卡住了一样，所以说话时 “嗓音沙哑、发声困难”。比如，如果你的嗓子里有一口痰，刚好卡住了说不出话，就可以用 “have a frog in my throat” 来形容自己的这个状态。
例句
Doctor, I’ve lost my voice. I have a frog in my throat.
医生，我说不出话来。我喉咙不舒服，嗓子哑了。
The singer keeps coughing and can't sing. He has a frog in his throat.
这位歌手一直在咳嗽，无法唱歌。他嗓子哑了。
You sound really hoarse today. Have you got a frog in your throat?
你今天听起来声音有点哑。你喉咙不舒服吗？
