6 sentences for 地下 (dì​xià — covert)

1. 我们必须转入地下。

   wǒ​men bì​xū zhuǎn​rù dì​xià.

   We must go underground.

   Source: OpenSubtitles

2. 他们建立了一个地下工厂。

   tā​men jiàn​lì le yī gè dì​xià gōng​chǎng.

   They established an underground factory.

   Source: Dong Chinese Dictionary

3. 地下党员在约定的地点接头。

   dì​xià dǎng​yuán zài yuē​dìng de dì​diǎn jiē​tóu.

   The underground party members met at the rendezvous point.

   Source: Dong Chinese Dictionary

4. 他在战争期间担任地下交通员。

   tā zài zhàn​zhēng qī​jiān dān​rèn dì​xià jiāo​tōng​yuán.

   He served as an underground courier during the war.

   Source: Dong Chinese Dictionary

5. 我现在加入了布拉格地下组织。

   wǒ xiàn​zài jiā​rù le Bù​lā​gé dì​xià zǔ​zhī.

   I'm in the Prague underground now.

   Source: OpenSubtitles

6. 警察昨晚查获了一个地下牌局。

   jǐng​chá zuó​wǎn chá​huò le yī gè dì​xià pái​jú.

   The police busted an underground card game last night.

   Source: Dong Chinese Dictionary