under the banner (of something)
成語所屬單字banner
under the banner (of something) — 慣用語
1. Used to describe acting in support of a particular idea or group.
1.慣用語
釋義
在…的旗幟下
Used to describe acting in support of a particular idea or group.
例句
The students protested under the banner of climate justice.
Did the soldiers enter the region under the banner of peacekeeping?