make common cause with

US /meɪk ˌkɑː.mən ˈkɑːz wɪθ/
UK /meɪk ˌkɑː.mən ˈkɑːz wɪθ/
"make common cause with" picture
1.

聯合起來, 與...結盟

to join with someone else in order to achieve a shared aim

:
The two rival factions decided to make common cause with each other against the invading army.
兩個敵對派系決定聯合起來對抗入侵軍隊。
Environmental groups often make common cause with local communities to protect natural habitats.
環保組織經常與當地社區聯合起來保護自然棲息地。