It was quite unnecessary and only serves to stir up bad blood between us.
這完全沒必要，只會引起我們之間的不快而已。
2. 嫌隙 rift
He has denied that there is any rift between ministers.
他否認部長之間有任何嫌隙。
3. 芥蒂 feud
Is the feud between the two enough to derail the team.
兩人之間的芥蒂是否會拖垮球隊。
