烫手山芋的英文：
a hot potato

参考例句：

If you were broke, she'd drop you like a hot potato.
如果你口袋没钱了，你就会像烫手山芋一样被她甩掉。

hot是什么意思：
adj. 热的；辣的；很受欢迎的；非常棒的；性感的；棘手的

Hot dog; sausage roll; red-hot; red hot
热狗

Hot summer, hot day. Everyone is slow and lazy.
天很热，所有人都慢吞吞的。

The hot iron seared the trousers.
热熨斗烫焦了长裤。

The bath is too hot.
洗澡水太烫了。

Hot weather will sour milk.
天热会使牛奶变酸。

potato是什么意思：
n. 土豆；山芋；钱

Those are potatoes cooked in their jackets.
那是带皮住的土豆。

Sweet potato was the staple of their diet.
过去甘薯是他们的主食。

May I have another potato?
我可以再吃一个土豆吗？

It's a political hot potato.
它是个棘手的政治问题。

The unemployment is a real hot potato.
失业真是件棘手的事。