the elephant in the room

Nobody wanted to talk about the budget cuts, but it was the elephant in the room.没有人想谈论预算削减的事，但这确实是大家心照不宣的明显问题。

The falling sales figures were the elephant in the room at every board meeting that quarter.不断下滑的销售数据是那个季度每次董事会上大家都心照不宣不愿明言的问题。