「自絕後路」怎說較合適？

「自絕後路」怎說較合適？
自絕後路 = 自毀長城


English Idiom:
"burn your bridges", or
"burn your boats" (British English)

Meaning:
to do something that makes it impossible to return to the previous situation later

Example:
Think carefully before you resign—you don't want to burn your bridges.

It means "Cut yourself off from your right of earning from your enclosed place or office." might be more suitable in your act of saying.

"Cut off one's own escape route."
"Cut oneself off from the exit."
"Cut oneself off from the egress."

Slam the door after you.

說"破斧沉舟"比較適合，因為有經文可引用。