Possible Clues:

• Knox's partner going to America, full of trepidation
• Sense in which monarch's very on edge
• Common sense keeps king very uneasy
• We French, without hesitation, very excitable
• It's not easy to be like this
• Frightened
• Highly strung
• Over in the sun that's what makes one so shy
• Acutely uncertain
• Fidgety