Politicians are there to take the rap.

因为会是政客背锅。

If that's true, then you should be taking the rap here, not your son.

果真如此的话，那就是你该承担法律责任，而不是你儿子。

A fall guy takes the rap for something wrong or illegal. He accepts responsibility and punishment for what someone else did.

替罪羊为错误行为或违法之事受责，为他人犯下的错事承担责任和惩罚。

Now Eric's taking the rap for a hate crime.

现在埃里克在替别人背仇恨犯罪的黑锅。

The word rap has meant blame for several hundred years. The expression to take the rap first was used about 100 years ago.

Rap这个词曾有几百年都被用来指“惩罚”的意思。短语“take the rap（背黑锅）”约在一百年前被首次使用。