她未经允许就使用我的化妆品，这种傲慢的态度显而易见。

Her ___presumptuousness was clear when she used my makeup without permission.

他在没有任何数据支持的情况下就断言自己会赢，这种傲慢令人不快。

His ___presumptuousness in declaring victory without any data to back it up was off-putting.