2 sentences

1. 他家是当地有名的种粮专业户。

   tā jiā shì dāng​dì yǒu​míng de zhòng liáng zhuān​yè​hù.

   His family is a well-known local grain-growing household.

   Source: Dong Chinese Dictionary

2. 这位演员是演反派角色的专业户。

   zhè wèi yǎn​yuán shì yǎn fǎn​pài jué​sè de zhuān​yè​hù.

   This actor is a specialist in playing villain roles.

   Source: Dong Chinese Dictionary