漏洞

They tightened the loopholes in those acts.

堵住了那些法案中洞。

Rivulets of water ran in through the leaks.

小股水流通过洞流进来。

We must see that there is no gap in our defence.

我必须确保我御没有洞。

They found serious holes in his reasoning.

在推理中发现了严洞。

All programs have bugs and need endless refinement.

所有程序都有洞，都需要不断改进。

A poor argument halts.

论点拙劣, 洞百出。