How to Use "diligent" with Example Sentences

1. Lady hale shows herself to be a diligent researcher .
2. But its implementation requires diligent officials , so not much has happened .
3. Once upon a time there lived a fisherman . The diligent fisherman went fishing everyday .
4. He is less diligent than his sister .
5. Even the most diligent , well-intentioned daily sunscreen wearers are likely doing it wrong .