How to Use "mercurial" with Example Sentences

1. What the mercurial mr kim offers leads nowhere .
2. It is hard , when it comes to this mercurial president , to disentangle conviction from opportunism .
3. She has been a steady and successful finance minister , no mean feat with a boss as mercurial as nicolas sarkozy .
4. Despite his relative youth , the 78-year-old police chief is said to suffer from severe diabetes , wobbly knees and a famously mercurial temperament .
5. One is a hard-working pragmatist , the other a mercurial idealist .