1. 排水孔：排水管 scupper pipe | 排水孔 scupper | 浮渣盆 scum pan

2. 排水管：SCREW 螺丝钉 | SCUPPER 排水管 | SCUPPER BOARD 挡水板

3. 排水口：scun 细矿脉 | scupper 排水口 | scure speech system 保密话音系统

4. 排水孔;排水管：scupper plug 排水孔的堵头 | scupper 排水孔;排水管 | scutch 石工小锤;清棉

1. 彻底破坏(计划、企图);使成泡影
To scupper a plan or attempt means to spoil it completely.

e.g. If Schneider had seen him that would have scuppered all his plans...
如果施奈德看到了他，那他的所有计划都泡汤了。
e.g. If the Commission has its way, the entire deal will be scuppered.
如果委员会我行我素的话，整个交易将化为泡影。

noun

1. drain that allows water on the deck of a vessel to flow overboard