4 sentences

1. 我的母语是葡萄牙语。

   wǒ de mǔ​yǔ shì Pú​táo​yá​yǔ.

   My native language is Portuguese.

   Source: Tatoeba

2. 我不会说葡萄牙语。

   wǒ bù huì shuō Pú​táo​yá​yǔ.

   I don't speak Portuguese.

   Source: OpenSubtitles

3. 巴西人说葡萄牙语。

   Bā​xī​rén shuō Pú​táo​yá​yǔ.

   Brazilians speak Portuguese.

   Source: OpenSubtitles

4. 我会说一点儿葡萄牙语。

   wǒ huì shuō yì​diǎn'ér Pú​táo​yá​yǔ.

   I can speak a little Portuguese.

   Source: Dong Chinese Dictionary