How to Use "mournful" with Example Sentences

1. Gave her a mournful look .
2. I assumed a mournful look , but tried not to be threatening .
3. Tell me not , in mournful numbers .
4. It 's never easy to say goodbye but when the time comes more britons are choosing a pop ditty over a mournful dirge .
5. We heard the mournful cry of a wolf .