一个是风华正茂，一个是风烛残年的英文

i was a little surprised that he had married her,but these may-december alliances are commoner than one likes to admit.

• 一个:    one; a; an
• 是:    Semantics
• 风华正茂:    be at the height o ...
• 风烛残年:    The declining age ...