[] a small hole or crack that lets liquid or gas flow in or out of sth by accident漏洞；裂缝；缝隙◆a leak in the gas pipe天然气管道的裂缝◆oil leaks漏油a deliberate act of giving secret information to the newspapers, etc.（秘密资讯的）透露◆a leak to the press about the government plans on tax有关政府的税收计划向新闻界的透露