5 sentences

1. 把棍子的大头朝下放稳。

   bǎ gùn​zi de dà​tóu cháo xià fàng​wěn.

   Place the thick end of the stick facing down to keep it steady.

   Source: Dong Chinese Dictionary

2. 他在庙会上戴着大头娃娃面具跳舞。

   tā zài miào​huì shàng dài zhe dà​tóu wá​wa miàn​jù tiào​wǔ.

   He danced at the temple fair wearing a big-head doll mask.

   Source: Dong Chinese Dictionary

3. 这笔奖金里，技术研发部门拿了大头。

   zhè bǐ jiǎng​jīn lǐ, jì​shù yán​fā bù​mén ná le dà​tóu.

   The R&D department took the lion's share of this bonus.

   Source: Dong Chinese Dictionary

4. 他花了大价钱买这个假货，真是个大头。

   tā huā le dà​jià​qian mǎi zhè​ge jiǎ​huò, zhēn shì gè dà​tóu.

   He spent a lot of money on this fake; he's such a sucker.

   Source: Dong Chinese Dictionary

5. 奶奶手里还留着几枚民国时期的大头。

   nǎi​nai shǒu lǐ hái liú zhe jǐ méi Mín​guó shí​qī de dà​tóu.

   Grandma still has a few 'Yuan Shikai dollars' from the Republican era.

   Source: Dong Chinese Dictionary