4 sentences

1. 罗盘上的“丁”指向西南偏南。

   luó​pán shàng de“ dīng” zhǐ​xiàng xī​nán piān nán.

   The 'Ding' (direction) on the compass points south-southwest.

   Source: Dong Chinese Dictionary

2. 在古代地图中，坤位通常代表着西南方向。

   zài gǔ​dài dì​tú zhōng, kūn​wèi tōng​cháng dài​biǎo zhe xī​nán fāng​xiàng.

   In ancient maps, the Kun position usually represents the southwest direction.

   Source: Dong Chinese Dictionary

3. 我家乡在西南，那里的夏天通常非常潮湿。

   wǒ jiā​xiāng zài xī​nán, nà​li de xià​tiān tōng​cháng fēi​cháng cháo​shī.

   My hometown is in the southwest, and the summers there are usually very humid.

   Source: Dong Chinese Dictionary

4. 巴国是周朝时期位于中国西南的一个重要国家。

   Bā​guó shì Zhōu​cháo shí​qī wèi​yú Zhōng​guó xī​nán de yī gè zhòng​yào guó​jiā.

   The State of Ba was an important state in southwestern China during the Zhou Dynasty.

   Source: Dong Chinese Dictionary