3 sentences

1. 这根绳子很憨，结实得很。

   zhè gēn shéng​zi hěn hān, jiē​shi de hěn.

   This rope is very thick and sturdy.

   Source: Dong Chinese Dictionary

2. 他笑起来的样子显得很憨。

   tā xiào qi​lai de yàng​zi xiǎn​de hěn hān.

   He looks very simple and honest when he smiles.

   Source: Dong Chinese Dictionary

3. 这匹马长得极憨，拉货很有力气。

   zhè pǐ mǎ zhǎng de jí hān, lā huò hěn yǒu lì​qi.

   This horse is very sturdy and has plenty of strength for pulling goods.

   Source: Dong Chinese Dictionary