Swiss cheese
noun
mass noun
1- cheese from Switzerland, typically containing large holes瑞士干酪（多含大孔）。
1.1
- used figuratively to refer something that is full of holes, gaps, or defects（用作比喻义）漏洞百出：
the team has Swiss cheese for a defence.
这支队伍的防守真是漏洞百出。