What would you imagine might be a tipoff?

你所想象的有可能是错的吗？

What would be a tipoff that maybe they don't know their parts really well?

是否有可能他们并不是那么了解自己那部分呢？

Officers found the drugs during a raid on a warehouse in the northwestern region of Galicia following a tipoff from their British counterparts.

在得到英国警方的情报后，西班牙警方对加利西亚东北部地区一个仓库进行突袭，然后发现了这些毒品。