打断脊梁骨

打断脊梁骨:

Literally means:

break one's' backbone.

Actually means:

It figuratively means hitting someone on the vital part of the body so that he cannot recover.

It is sometimes used as an exaggerative intimidation to prevent someone from doing something.

打断脊梁骨，比喻打击对方要害部位，并使其难以复原。

打断脊梁骨，有时作为恐吓的话，用来禁止或阻止某人做某事，这时有夸张的意味。