出现磨擦 meaning in English

reibungsgeschehen friction process

But he never severed ties with them , as in the case of golden harvest and cinema city
有时，他会与其中一些电影公司如嘉禾与金公主等出现磨擦，
This introduces greater complexity and perhaps scope for greater friction into the relationship between banks and their customers
在此情况下，银行与客户之间的关系会趋向较复杂，出现磨擦的机会也可能会较多。
Less positively , a more difficult economic environment contributes to friction between banks and their customers , for example in the greater incidence of default on debt on the one hand and in the greater tendency among banks , in times of tighter margins , to go after that debt
在较负面的层面上，经济环境较困难亦会令银行与客户之间关系较紧张，例如，一方面客户拖欠还款的个案增加，另一方面银行基于盈利收紧亦会加紧追收欠款，导致双方较易出现磨擦。