A rift between people or countries is a serious quarrel or disagreement that stops them having a good relationship.
例句
The interview reflected a growing rift between the President and the government...这段采访反映了总统和政府之间的裂痕越来越大。He has warned that the serious rifts within the country could lead to civil war...他已经发出了警告,国家内部严重的不和可能会引发内战。
N-COUNT
(尤指地面的)裂缝,裂口
A rift is a split that appears in something solid, especially in the ground.