事关重大

只可惜此事 事关重大 族老们群情激愤

(说什么傻话？ 我是你的兄长 自然要护着你) ── Previous context

“Sadly, this is too serious. Our elders are furious.”

事关重大 不可空置

(淮西乃我朝腹地 江淮一带的屏障 淮西节度使一职) ── Previous context

“is crucial and cannot remain vacant.”

宫山玉牌 事关重大

(但不能说) ── Previous context

“The Gongshan Jade Tablets are of great importance.”

世伯 此事 事关重大

(你) ── Previous context

“Uncle, this matter is of great importance.”

此事 事关重大 所以我才深夜来寻你

(他就一直有反心) ── Previous context

“This matter is of grave importance, which is why I came in the dead of night.”

事关重大 呀

(和你提供的材料信息完全一致) ── Previous context

“This is very important.”