How to Use "bailiwick" with Example Sentences

1. The range of the authority or influence of a person , group , or thing ; a bailiwick .
2. Correct me if I 'm wrong but your bailiwick 's alcohol isn 't it ?
3. Sure there are some religious people who perform valuable public services , but for the most part , that isn 't their bailiwick .
4. But many top-level managers , particularly those at industrial companies , consider customer contact the bailiwick of sales and marketing staff .