falling-out
US /ˈfɔːlɪŋ aʊt/
UK /ˈfɔːlɪŋ aʊt/

1.
perselisihan, pertengkaran, perpecahan
a quarrel or disagreement
:
•
They had a serious falling-out over money.
Mereka mempunyai perselisihan faham yang serius mengenai wang.
•
Their friendship ended after a bitter falling-out.
Persahabatan mereka berakhir selepas perselisihan pahit.