You use blatant to describe something bad that is done in an open or very obvious way.
双语例句
例： Outsiders will continue to suffer the most blatant discrimination.
圈外人将继续遭受极其明目张胆的歧视。
例： a blatant attempt to spread the blame for the fiasco.
公然企图推卸这次惨败的责任。