connivance
noun [ U ] uk/kəˈnaɪ.vəns/ us/kəˈnaɪ.vəns/
默许;纵容;放任
the act of conniving, especially by knowing that something bad is happening and allowing it to continue
Their appalling treatment of their child could only have happened with the connivance of their neighbours. 他们对孩子可怕的虐待如果没有邻居的纵容是不会发生的。