muster your forces idiom formal
集聚力量（或精力）
to make great arrangements and efforts, usually to prepare for an attack or event
The Welsh National Opera has mustered its forces to mount its second production of Tristan in only 14 years. 威尔士国家剧院集聚了全部人员，准备在仅仅14年内就第二次上演《特里斯坦》。