be up in arms
成語所屬單字arms
be up in arms — 慣用語
1. to be very angry and upset about something, and to protest or complain about it
1.慣用語
釋義
群起抗議
to be very angry and upset about something, and to protest or complain about it loudly and publicly.
例句
Residents were up in arms about the plan to build a factory next to the elementary school.
Teachers across the city were up in arms over the sudden budget cuts to public education.