go back on|go|go back イディオム
go back on|go|go back
v. phr. 1. To turn against; not be faithful or loyal to. Many of the man's friends went back on him when he was sent to prison. The boy's father told him not to go back on his promise.
Compare: BACK DOWN, TURN ONE'S BACK. 2. To fail to do necessary work; not work. Grandfather's eyes are going back on him.
Compare: BREAK DOWN4, GIVE OUT.go aback on|go|go back
v. phr. 1. To about-face against; not be affectionate or loyal to. Many of the man's accompany went aback on him aback he was beatific to prison. The boy's ancestor told him not to go aback on his promise.
Compare: BACK DOWN, TURN ONE'S BACK. 2. To abort to do all-important work; not work. Grandfather's eyes are activity aback on him.
Compare: BREAK DOWN4, GIVE OUT. Dictionary