no love lost between them, there's

there is no love lost between (two people)

There is nothing but feelings of animosity, disdain, or disrespect between two people. It's awkward being friends with both John and Carroll—there's no love lost between them. It's public knowledge that there's no love lost between the president and his counterpart across the border.
See also: between, lost, love, no, there
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

no love lost between them, there's

They hate each other. This term, which dates from the sixteenth century, used to have either of two meanings: (1) they love each other or (2) they dislike each other. The former is intended in the seventeenth-century poem, “The Children in the Wood”: “No love between these two was lost, each was to the other kind” (Reliques of Ancient English Poetry, 1765). This meaning persisted until the eighteenth century but is now obsolete. The current cliché signifies only that two persons have no love for each other, as in, “There was not a great deal of love lost between Will and his half-sister” (Thackeray, The Virginians, 1858).
See also: between, lost, love, no
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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