break one’s shovel
[美俚]失宠；不受欢迎

We’d better keep a decent distance from each other so that we can’t break our shovel.

我们彼此最好保持一段距离，这样我们就可以避免发生不愉快。

注解：

break意指折断，shovel意指铁锨；

to break one’s shovel with someone系指与某人一起折断了铁锨，喻指不再受欢迎，失宠。

the lights are on but nobody’s home

[英语俚语]心不在焉

Because the lights are on but nobody’s home, she cannot understand what the teacher is saying.

the lights are on but nobody’s home系指家里灯亮着但没有在家，喻指心不在焉，身在曹营心在汉。