2 sentences

1. 工厂意外泄露了大量的毒气。

   gōng​chǎng yì​wài xiè​lù le dà​liàng de dú​qì.

   The factory accidentally leaked a large amount of toxic gas.

   Source: Dong Chinese Dictionary

2. 这件事情关系重大，万万不可外泄。

   zhè jiàn shì​qing guān​xì zhòng​dà, wàn​wàn bù kě wài xiè.

   This is a matter of great importance and must never be leaked.

   Source: Dong Chinese Dictionary