辩解

explain
justify
defend (a point of view, etc)
provide an explanation
try to defend oneself

便服, 变革, 变更, 变工, 变故, 便函, 变黑, 变红, 变厚, 便壶, 辩护, 变化, 变换, 变幻, 变换设备, 遍及, 变价, 便笺, 变焦距镜头, 变节, 便览, 便利, 变脸, 变量, 变流器, 变乱, 辩论, 变卖, 便帽, 便门, 便难, 变暖, 便盆, 变频, 变迁, 便桥, 便人, 辨认, 变软, 变色,